# What are the best car engine cleaners for use in both cold and hot weather conditions? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

What are the best car engine cleaners for use in both cold and hot weather conditions?

## Products

### Berryman B33 Engine Degreaser Part 1133
```yaml
product: berryman-b33-engine-degreaser-part-1133
brand: Berryman
price_gbp: 4.42
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
ph_level: 9.5 to 9.9
safe_for_parts: Rubber and plastic
active_ingredient: Alkylbenzenesulfonic acid
application_method: Sprayer
temperature_resistance: Boiling point 212 to 600 deg F
```

- **Price:** £4.42 [^1]
- **Summary:** Berryman B-33 is an 18.4 oz aerosol engine degreaser using detergents and emulsifiers to remove road grime, dirt, grease, and oil. Its phosphate-free, solvent-free, and VOC-free formula is suited to vehicle engines, small engine parts, tools, machinery, and marine equipment.
- **Ideal For:** This product suits use in both cold and hot weather because it has a documented boiling point of 212 to 600 deg F, a fast spray-on/rinse-off application, and a formula safe for rubber and plastic parts.
- **Additional Sources:** [^2], [^3]

### Purple Power Cleaner and Degreaser Trigger Spray 40oz Part 4319PS
```yaml
product: purple-power-cleaner-and-degreaser-trigger-spray-40oz-part-4319ps
brand: Purple Power
price_gbp: 3.11
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
ph_level: 11.2
safe_for_parts: Engines, tools, equipment, concrete, vinyl, and metal surfaces; not exterior car surfaces, glass, painted surfaces, or wheel rims
solution_strength: Industrial strength concentrated formula
application_method: Trigger spray, wipe, and rinse with water
```

- **Price:** £3.11 [^4]
- **Summary:** Purple Power 4319PS is an industrial-strength, concentrated cleaner and degreaser in a 40 oz trigger-spray bottle. It is suited to automotive, farm, marine, household, and industrial cleaning jobs involving grease, oil, dirt, and grime.
- **Ideal For:** Its industrial-strength concentrated formula and trigger-spray application suit car engine cleaning in cold and hot weather, although the product's temperature resistance is not specified online.
- **Additional Sources:** [^5]

### WD-40 WD-40 Specialist Machine & Engine Degreaser 18 oz (UPC 07956730007 6)
```yaml
product: wd-40-wd-40-specialist-machine-engine-degreaser-18-oz-upc-07956730007-6
brand: WD-40
price_gbp: 5.75
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
ph_level: 10.5 pH to 11.5 pH
safe_for_parts: Hard Nonporous Surfaces
solution_strength: Ready-to-Use
application_method: Spray
```

- **Price:** £5.75 [^6]
- **Summary:** WD-40 Specialist Machine & Engine Degreaser is a water-based, foaming spray that penetrates to remove grease, oil, dirt, adhesives, and grime with low residue. Its nozzle sprays up to 5 feet for cleaning engines and other machinery components. It is intended for use on automotive and truck engines, tractors, industrial machinery, and metal tools.
- **Ideal For:** It is a ready-to-use foaming spray with a water-based formula and low residue, and its foaming action plus long-distance spray up to 5 feet supports engine cleaning in both cold and hot conditions by helping lift and rinse off grease and grime without mixing.

### Griot's Garage Griot's Garage Engine Cleaner (Item# 10959, 22 Ounces / Gallon)
```yaml
product: griot-s-garage-griot-s-garage-engine-cleaner-item-10959-22-ounces-gallon
brand: Griot's Garage
price_gbp: 53.08
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
application_method: Spray on Engine Cleaner and agitate the area with a detail brush to remove grease, oil, dirt, and grime.
```

- **Price:** £53.08 [^7]
- **Summary:** Griots Garage Engine Cleaner is an easy spray-on engine degreaser meant to loosen and break up grease, grime, and engine gunk. It's designed to be agitated with a detail brush and then wiped clean to prep your engine for dressing.
- **Ideal For:** The only concrete spec found is that it is an easy spray-on, agitate-and-wipe cleaner for grease and engine gunk, but no online details were found about temperature resistance, so cold vs hot performance cannot be confirmed from specs.
- **Additional Sources:** [^8]

### Gunk Engine Degreaser Original 15oz Part EB1
```yaml
product: gunk-engine-degreaser-original-15oz-part-eb1
brand: Gunk
price_gbp: 5.46
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
application_method: Spray on, wait 10-15 minutes, and rinse with water
```

- **Price:** £5.46 [^9]
- **Summary:** This heavy-duty aerosol degreaser is formulated to remove tough grease and oil buildup from hardworking engines. It suits car, truck, heavy-equipment, and machinery maintenance where a water-rinseable cleaner is needed.
- **Ideal For:** It suits use in both cold and hot weather because its heavy-duty aerosol formula targets stubborn engine grease and oil, while the spray-and-rinse application works without scrubbing.
- **Additional Sources:** [^10]

### SuperClean Cleaner and Degreaser 1gal Part 101723
```yaml
product: superclean-cleaner-and-degreaser-1gal-part-101723
brand: SuperClean
price_gbp: 9.95
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
ph_level: Neat -13.0; 2% - 11.7
safe_for_parts: Plastic safe
active_ingredient: Sodium hydroxide and sodium metasilicate
solution_strength: Ready to use
application_method: Apply with sprayer, brush, mop, pressure washer, or scrubbing machine; rinse thoroughly
```

- **Price:** £9.95 [^11]
- **Summary:** SuperClean Cleaner and Degreaser is a water-based, biodegradable, industrial-strength cleaner for grease, oil, wax, tar, and dirt. It is suitable for automotive, fleet, workshop, marine, and household cleaning, with plastic-safe handling and multiple application methods.
- **Ideal For:** It suits car engine cleaning in cold and hot weather because its water-based, nonflammable formula can be applied by sprayer or pressure washer, while its concentrated industrial-strength cleaning action handles heavy engine grease.
- **Additional Sources:** [^12]

### Autoglym Engine and Machine Cleaner 1L
```yaml
product: autoglym-engine-and-machine-cleaner-1l
brand: Autoglym
price_gbp: 11.22
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
safe_for_parts: Plastic, rubber, painted and unpainted engine components
application_method: Spray on, agitate with a brush and rinse with water
temperature_resistance: Use on a cold engine with cold water
```

- **Price:** £11.22 [^13]
- **Summary:** A water-based engine and machinery cleaner that rapidly dissolves oil, grease and grime. It suits car owners, detailers and machinery users cleaning engine bays and components, provided sensitive electrical parts and polished alloy finishes are protected.
- **Ideal For:** It suits cold and hot weather use because it is designed for application to a cold engine with cold water, helping prevent the detergent from drying too quickly on hot surfaces.
- **Additional Sources:** [^14], [^15]

### Muc-Off Degreaser 500ml
```yaml
product: muc-off-degreaser-500ml
brand: Muc-Off
price_gbp: 7.75
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
safe_for_parts: Metal, plastic, rubber, seals and carbon fibre
application_method: Shake, spray, leave up to 5 minutes, agitate with a brush or cloth, rinse with fresh water and dry
temperature_resistance: Do not use on hot surfaces
```

- **Price:** £7.75 [^16]
- **Summary:** A water-soluble, biodegradable aerosol degreaser that removes oil, grease, grime, waterproof grease and chain-lube residue. It suits cyclists and mechanics who need a rinseable cleaner for chains, gears, mechs and individual components.
- **Ideal For:** It suits cold and hot weather cleaning because its water-soluble formula rinses away easily, but it must be applied only to cool surfaces rather than hot engine components.
- **Additional Sources:** [^17]

### Bilt Hamber Surfex HD 5L
```yaml
product: bilt-hamber-surfex-hd-5l
brand: Bilt Hamber
price_gbp: 13.98
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
ph_level: 13.25
safe_for_parts: Paint, plastic, rubber, metal, interior surfaces and rubber seals
active_ingredient: alcohols C9-11 ethoxylated, disodium metasilicate, tetrasodium etidronate
solution_strength: 0.5% to neat
application_method: Spray, brush or pressure washer
```

- **Price:** £13.98 [^18]
- **Summary:** Bilt Hamber Surfex HD is a concentrated, water-based all-purpose cleaner and degreaser for automotive, domestic and commercial use. It tackles grease, oil and organic grime, with dilution adjustable from 0.5% for light cleaning to neat for heavy-duty work. It suits detailers, mechanics and vehicle owners needing a versatile cleaner for engine bays and other automotive surfaces.
- **Ideal For:** It suits engine cleaning in variable cold and hot weather because its water-based formula remains effective from 1 part in 200 dilution to neat and can be applied by spray, brush or pressure washer, although no specific temperature-resistance rating was found online.
- **Additional Sources:** [^19], [^20]

### Comma Hyper Clean 5L
```yaml
product: comma-hyper-clean-5l
brand: Comma
price_gbp: 73.61
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
safe_for_parts: engines, components, chassis and most hard surfaces except tarmac
active_ingredient: solvent
application_method: brush or spray on and rinse off with water
```

- **Price:** £73.61 [^21]
- **Summary:** Comma Hyper Clean 5L is a powerful solvent degreaser for removing oil, grease, tar and dirt from engines, components and chassis. It includes a rust inhibitor and suits vehicle owners, mechanics and detailers who need a rinse-off cleaner for hard automotive surfaces.
- **Ideal For:** It suits use in both cold and hot weather because it is a water-rinse solvent degreaser with rust-inhibiting protection, although no specific temperature-resistance rating was found.

### Meguiar's Super Degreaser 5L
```yaml
product: meguiar-s-super-degreaser-5l
brand: Meguiar's
price_gbp: 67.18
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
safe_for_parts: Exterior surfaces, engines, tires, wheel wells and exterior trim
solution_strength: Concentrate; dilute 4:1 for heavy cleaning or 10:1 for moderate cleaning
application_method: Dilute, spray onto the surface, allow 30-45 seconds, then rinse thoroughly with clean water
```

- **Price:** £67.18 [^22]
- **Summary:** Meguiar's Super Degreaser is a concentrated, fast-acting cleaner designed to break down tough grease, oil and grime without leaving residue. It suits professional detailers and vehicle owners cleaning engines, tires, wheel wells and other exterior parts.
- **Ideal For:** It suits use in both cold and hot weather because it is a concentrated engine and exterior cleaner that can be diluted to 4:1 or 10:1, although the product should be applied to cool surfaces and not allowed to dry.
- **Additional Sources:** [^23], [^24]

### CarPlan Engine Cleaner and Degreaser 5L
```yaml
product: carplan-engine-cleaner-and-degreaser-5l
brand: CarPlan
price_gbp: 23.61
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
safe_for_parts: Suitable for aluminium surfaces
application_method: Apply liberally, leave for two minutes, scrub with a stiff brush, then rinse with clean water
temperature_resistance: Do not use on a hot or running engine; best used on a slightly warm engine
```

- **Price:** £23.61 [^25]
- **Summary:** A water-washable engine degreaser that removes ingrained grease, oil, dirt and grime from automotive, commercial and marine engines. It is applied by brush and rinsed off, and is also suitable for some household and industrial cleaning tasks.
- **Ideal For:** It suits use in cold and hot weather because it is intended for use on a slightly warm engine while explicitly warning against application to hot or running engines, allowing cleaning after the engine cools in hot conditions or warms slightly in cold conditions.
- **Additional Sources:** [^26]

### Griot's Garage Engine Cleaner, Degreaser Spray 22oz, Part 10959
```yaml
product: griot-s-garage-engine-cleaner-degreaser-spray-22oz-part-10959
brand: Griot's Garage
price_gbp: 8.85
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
solution_strength: Ready to use
application_method: Spray on, agitate with a detail brush, and wipe clean
```

- **Price:** £8.85 [^27]
- **Summary:** This ready-to-use engine cleaner loosens grease, oil, dirt, and grime from engine areas. It suits DIY detailers and automotive professionals who want a spray-on cleaner that prepares engine parts for dressing.
- **Ideal For:** Its ready-to-use spray application and ability to loosen engine grease and grime make it suitable for routine cleaning in both cold and hot weather conditions, although no specific temperature-resistance rating was found.
- **Additional Sources:** [^28], [^29]

### ShopPro Engine Degreaser Aerosol 15oz, Part SP-ENG
```yaml
product: shoppro-engine-degreaser-aerosol-15oz-part-sp-eng
brand: ShopPro
price_gbp: 3.9
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
application_method: Aerosol spray
```

- **Price:** £3.9 [^30]
- **Summary:** ShopPro SP-ENG is an aerosol engine degreaser formulated with solvents, surfactants, emulsion stabilizers, and emulsifiers to loosen and dissolve grease, oil, and dirt. It is intended for engine and transmission cleaning and suits vehicle owners and maintenance professionals.
- **Ideal For:** The aerosol spray format makes it practical for applying cleaner to engine and transmission surfaces in both cold and hot weather conditions, although no specific temperature-resistance rating was listed.

### SuperClean Super Clean Tough Task Cleaner-Degreaser, Part 101780
```yaml
product: superclean-super-clean-tough-task-cleaner-degreaser-part-101780
brand: SuperClean
price_gbp: 7.08
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
ph_level: 12.5-13.8
safe_for_parts: Auto parts, engines, tires, rubber floormats, chrome, stainless steel, plastic and vinyl
active_ingredient: Sodium metasilicate 5%; sodium hydroxide 5%; surfactant blend 1-10%
solution_strength: Industrial strength; dilute according to dilution chart
application_method: Trigger spray; dilute for moderate messes
```

- **Price:** £7.08 [^31]
- **Summary:** Super Clean Tough Task Cleaner-Degreaser is a biodegradable, phosphate-free, nonabrasive industrial-strength liquid that removes grease, oil, wax, tar and dirt. The 32 oz trigger-spray bottle suits automotive, garage, household and outdoor cleaning jobs, including engines and auto parts.
- **Ideal For:** It suits car engine cleaning in cold and hot weather because its documented physical range runs from approximately 26.6F freezing point to over 212F boiling point, while its trigger-spray format and dilution guidance support engine-bay cleaning.
- **Additional Sources:** [^32], [^33]

### GUNK Engine Degreaser Original California 15oz
```yaml
product: gunk-engine-degreaser-original-california-15oz
brand: GUNK
price_gbp: 5.9
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
application_method: Spray on engine, wait 10-15 minutes, then rinse with water
```

- **Price:** £5.9 [^34]
- **Summary:** This heavy-duty aerosol degreaser is formulated to remove tough grease and oil buildup from older, hardworking engines. It suits cars, trucks, ATVs, motorcycles, lawn equipment, tractors, and other engine-powered equipment.
- **Ideal For:** It suits use in both cold and hot weather conditions because its spray-on, fast-acting formula removes heavy grease and oil and is rinsed clean with water, although no specific temperature-resistance rating was found online.

### GUNK Engine Cleaner and Degreaser Trigger Spray 32oz
```yaml
product: gunk-engine-cleaner-and-degreaser-trigger-spray-32oz
brand: GUNK
price_gbp: 9.59
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
ph_level: 8.3
safe_for_parts: All metals, rubber and plastics under the hood
application_method: Spray, wait 10 minutes and rinse with water
```

- **Price:** £9.59 [^35]
- **Summary:** This water-based, zero-VOC degreaser removes oil, grease and road grime from engines and other under-hood surfaces. Its trigger-spray bottle and compatibility with metal, rubber and plastic parts make it suitable for DIY vehicle owners and general engine maintenance.
- **Ideal For:** It suits use in both cold and hot weather because the SDS lists a freezing point of 0°C and a flash point of 100°C, while the water-based formula rinses clean with water.
- **Additional Sources:** [^36]

### Griot's Garage Engine Cleaner Item 10959
```yaml
product: griot-s-garage-engine-cleaner-item-10959
brand: Griot's Garage
price_gbp: 8.85
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
safe_for_parts: Engine parts
solution_strength: Ready to use
application_method: Spray on, agitate with a detail brush, and wipe clean
```

- **Price:** £8.85 [^29]
- **Summary:** This ready-to-use 22 oz spray loosens and breaks up grease, oil, dirt, and engine grime. It suits car enthusiasts and detailers who want a straightforward engine-bay cleaner that prepares parts for dressing.
- **Ideal For:** It suits use in both cold and hot weather because it is a ready-to-use spray applied directly to engine parts, although no specific operating-temperature resistance was found.
- **Additional Sources:** [^28]

### ShopPro Engine Degreaser Aerosol Part SP-ENG
```yaml
product: shoppro-engine-degreaser-aerosol-part-sp-eng
brand: ShopPro
price_gbp: 3.9
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
application_method: Aerosol spray
```

- **Price:** £3.9 [^30]
- **Summary:** ShopPro SP-ENG is a 15 oz aerosol engine degreaser formulated to loosen and dissolve grease, oil, and dirt. It is suited to vehicle owners and mechanics cleaning engines and transmissions who want a fast-acting spray product.
- **Ideal For:** This product is suitable for engine cleaning in varying weather because its aerosol spray format is convenient to apply, but no online temperature-resistance specification confirms performance in both cold and hot conditions.

### Gunk Foamy Engine Cleaner 17oz Part FEB1
```yaml
product: gunk-foamy-engine-cleaner-17oz-part-feb1
brand: Gunk
price_gbp: 5.46
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
ph_level: 9 to 10
safe_for_parts: Plastics, under-hood rubber, paint, metal
application_method: Spray on, wait 10-15 min, rinse with water
temperature_resistance: <120 deg F
```

- **Price:** £5.46 [^37]
- **Summary:** This foaming aerosol cleaner removes dirt, dust, road grime, grease, and oil while clinging to vertical engine surfaces. It is designed for engines with plastic covers and suits cars, trucks, motorcycles, power equipment, and other vehicles.
- **Ideal For:** It suits use in both cold and hot weather conditions because its foam clings to surfaces for 10-15 minutes, rinses with water, and has a listed temperature rating below 120 deg F with a flash point above 201 deg F.
- **Additional Sources:** [^38], [^39]

---
## References & Sources
[^1]: AutoZone, accessed 2026-09-13. https://www.autozone.com/p/berryman-engine-degreaser-1133/248922
[^2]: Higginbotham Brothers, accessed 2026-09-13. https://www.higginbothams.com/p/9d77010a-55af-477f-b98d-120cc6b5c84b/3254414
[^3]: Desertcart India, accessed 2026-09-13. https://www.desertcart.in/products/13482729-berryman-products-1133-b-33-engine-degreaser-18-4-ounce
[^4]: Autoplicity, accessed 2026-09-13. https://autoplicity.com/15595232-aiken-4319ps
[^5]: Cable Ranch, accessed 2026-09-13. https://www.cableranch.com/purple-power-4319ps-cleaner-and-degreaser-40-oz-bottle-liquid-characteristic.html
[^6]: WebstaurantStore, accessed 2026-09-13. https://www.webstaurantstore.com/wd-40-300070-specialist-18-oz-machine-engine-degreaser-foaming-spray/940300070.html
[^7]: IAG Performance, accessed 2026-09-13. https://www.iagperformance.com/griots-garage-engine-cleaner-22oz-case-of-12-10959/
[^8]: ID Speed Shop, accessed 2026-09-13. https://idspeedshop.com/griots-garage-engine-cleaner-22oz-10959/
[^9]: Wofford Truck Parts, accessed 2026-09-13. https://www.woffordtruckparts.com/products/oil-fluids-and-chemicals/cleaners/gunk-eb1-engine-brite-original-heavy-duty-engine-degreaser-15-oz/gunkeb1
[^10]: Kooyman, accessed 2026-09-13. https://www.kooymanbv.com/curacao_en/engine-brite-eb1-heavy-duty-engine-degreaser-15-oz-aerosol-can-amber-liquid100045599.html
[^11]: Zoro, accessed 2026-09-13. https://www.zoro.com/superclean-cleanerdegreaser-1-gal-jug-ready-to-use-water-based-101723/i/G3755692/
[^12]: AutoZone, accessed 2026-09-13. https://www.autozone.com/p/superclean-degreaser-101723/884488
[^13]: Autoglym, accessed 2026-09-13. https://www.autoglym.com/ec001-engine-machine-cleaner.html
[^14]: Prestige Performance Group, accessed 2026-09-13. https://www.ppgtuningni.co.uk/product-page-3/autoglym-engine-machine-cleaner-1l
[^15]: Nonpaints, accessed 2026-09-13. https://www.nonpaints.com/en/autoglym-engine-machine-cleaner-1-litre
[^16]: Muc-Off, accessed 2026-09-13. https://muc-off.com/products/bio-degreaser-500-ml
[^17]: Airpark Bike Co, accessed 2026-09-13. https://www.airparkbikeco.com/products/muc-off-bio-degreaser-500ml-aerosol
[^18]: Bilt Hamber, accessed 2026-09-13. https://bilthamber.com/product/surfex-hd/
[^19]: The Detailing Booth, accessed 2026-09-13. https://www.thedetailingbooth.co.uk/collections/bilt-hamber
[^20]: The Detail Store, accessed 2026-09-13. https://www.detailstore.com.au/products/bilt-hamber-surfex-hd-all-purpose-cleaner-and-degreaser-apc-1l-5l
[^21]: Desertcart Cyprus, accessed 2026-09-13. https://www.desertcart.com.cy/products/54832960-comma-hyp-5-l-5-l-hyperclean-engine-degreaser
[^22]: Meguiar's Direct, accessed 2026-09-13. https://meguiarsdirect.com/products/meguiars-super-degreaser-d10805-5-gal
[^23]: Kleen-Rite Corp, accessed 2026-09-13. https://www.kleen-ritecorp.com/p-14034-meguiars-d10805-super-degreaser-5-gallon.aspx
[^24]: Genesis Auto Body Supply, accessed 2026-09-13. https://www.genesisautobodysupply.com/product/8856/meguiars-detailer-super-degreaser-5-gal-d10805
[^25]: MyMotorWorld, accessed 2026-09-13. https://www.mymotorworld.com/carplan-engine-cleaner-degreaser-5l
[^26]: Tetrosyl Express, accessed 2026-09-13. https://www.tetrosylexpress.com/product/tcat2111-cleaners-degreasers/carplan-ecl005-tetroclean-engine-degreaser-5ltr-tetecl005/TETECL005
[^27]: Griot's Garage, accessed 2026-09-13. https://www.griotsgarage.com/engine-cleaner/
[^28]: Detailing.com, accessed 2026-09-13. https://detailing.com/products/griots-garage-engine-cleaner-22-oz
[^29]: AutoZone, accessed 2026-09-13. https://www.autozone.com/p/griot-s-garage-engine-degreaser-10959/501404
[^30]: AutoZone, accessed 2026-09-13. https://www.autozone.com/p/shoppro-engine-degreaser-sp-eng/7710
[^31]: BG Industrial Supplies, accessed 2026-09-13. https://www.bgindustrialsupplies.com/shop/product.asp?custid=TEMP&dept_id=12010802&mbrid=4685&mscssid=732B10B710A83C9974740630646D1938&sku=570510&upload_type=0
[^32]: Sim Supply, accessed 2026-09-13. https://www.simsupply.com/categories/home-garden-auto/cleaning-supplies/superclean-32-oz-trigger-spray-cleaner-degreaser-101780-101780-582468/
[^33]: Santie Oil Company, accessed 2026-09-13. https://santiemidwest.com/super-clean-all-purpose-cleaner-degreaser/
[^34]: AutoZone, accessed 2026-09-13. https://www.autozone.com/p/gunk-engine-degreaser-eb1/522149
[^35]: Canadian Tire, accessed 2026-09-13. https://www.canadiantire.ca/en/pdp/gunk-multi-surface-engine-cleaner-degreaser-with-trigger-spray-946-ml-0388086p.html
[^36]: Lordco Auto Parts, accessed 2026-09-13. https://lordco.com/Product/Engine-Cleaner-Degreaser-with-Trigger-Spray-946mL-204EBT32C
[^37]: AutoZone, accessed 2026-09-13. https://www.autozone.com/p/gunk-engine-degreaser-feb1/523340
[^38]: Autoplicity, accessed 2026-09-13. https://autoplicity.com/2522180-gunk-foamng-engn-degrsr-cs-12
[^39]: Hills Flat Lumber, accessed 2026-09-13. https://hillsflatlumber.com/p/gunk-aerosol-foamy-engine-cleaner-california-compliant-low-voc-078698217888