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Start ShoppingProX 42.2020 Crank Seal Kit - Durable Rubber & Metal Reinforced Gasket Set for Powersports Engines
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Description
Ensure optimal engine performance and longevity with ProX's 42.2020 Crank Seal Kit. This complete gasket set delivers durable rubber seals combined with strategic metal reinforcements to prevent leaks and maintain peak engine efficiency.
Key Features
- High-Quality Rubber & Metal Reinforcements: Engineered for resistance to extreme temperatures and pressure, ensuring long-lasting durability in harsh powersports environments.
- Complete Crankcase Seal Kit (5-7 Seals): Includes multiple seals tailored for various engine models, simplifying replacement and reducing downtime for riders.
- Precision-Fit Design: Accurately sized for seamless installation, minimizing the risk of leaks and maximizing engine protection during high-performance operation.
Why Choose This Product
Upgrade your powersports engine's reliability with a ProX crank seal kit designed for both durability and ease of use. The combination of reinforced rubber and metal ensures superior sealing capabilities, while the comprehensive kit reduces the need for multiple purchases. Ideal for mechanics and riders seeking dependable performance without compromising on quality or convenience.
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Ensure optimal engine performance and longevity with ProX's 42.2020 Crank Seal Kit. This complete gasket set delivers durable rubber seals combined with strategic metal reinforcements to prevent leaks and maintain peak engine efficiency.
Key Features
- High-Quality Rubber & Metal Reinforcements: Engineered for resistance to extreme temperatures and pressure, ensuring long-lasting durability in harsh powersports environments.
- Complete Crankcase Seal Kit (5-7 Seals): Includes multiple seals tailored for various engine models, simplifying replacement and reducing downtime for riders.
- Precision-Fit Design: Accurately sized for seamless installation, minimizing the risk of leaks and maximizing engine protection during high-performance operation.
Why Choose This Product
Upgrade your powersports engine's reliability with a ProX crank seal kit designed for both durability and ease of use. The combination of reinforced rubber and metal ensures superior sealing capabilities, while the comprehensive kit reduces the need for multiple purchases. Ideal for mechanics and riders seeking dependable performance without compromising on quality or convenience.| SKU | GM5140D21B |
|---|---|
| MPN | 42.2020 |
| Brand | ProX |
| Category | Gaskets/Seals |
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Featured Review
| Make | Model | Years |
|---|---|---|
| Honda | TRX300 FourTrax | 1987-2003 |
| Honda | TRX300 TwoTrax | 1993-2014 |
| Honda | TRX300EX Sportrax | 2000-2007 |
| Honda | TRX250 FourTrax | 1988-2000 |
| Honda | TRX250 FourTrax | 1985-1987 |
| Honda | TRX250X Sportrax | 1991-2000 |
| Honda | TRX250X | 1986-1987 |
Frequently Asked Questions
Yes, crank seal kits require splitting the crankcases to access all seals.
Check the fitment list above. ProX 42.2020 fits multiple Honda TRX250/300 models from 1985-2014.
ProX seals use high-quality rubber compounds that resist heat and wear better than many OEM seals.
Complete set of crankcase seals specific to your model's crankcase design (typically 5-7 pieces).
Installation Guide
Difficulty
Medium
Est. Time
2 hr 0 min
Tools Required
- socket set
- torque wrench
- seal puller or screwdriver
- case splitter if needed
- gasket scraper
Pro Tips
- Clean mating surfaces thoroughly
- Use seal install tool or socket to prevent damage
- Apply assembly lube to seal lips
- Check crankshaft for wear before reassembly
Common Mistakes to Avoid
- Not splitting cases properly
- Damaging new seals during installation
- Incorrect torque on case bolts
Comparison vs Stock/OEM
ProX seals made with premium grade rubber for better heat/oil resistance
Improvements
- Longer service life
- Better sealing under high heat
- More consistent durometer
Considerations
- May require case splitting even for single seal replacement
Durability & Warranty
Expected Lifespan
Same or better than OEM (3-5+ years typical use)
Warranty
1 year manufacturer defect warranty
Maintenance
Inspect during top-end service; replace if oil leaks appear
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