331-8538 Wheel Oil Seal for Caterpillar Backhoes 420E 430E 432E
Premium aftermarket 331-8538 wheel oil seal – direct replacement for Caterpillar backhoe loaders including 420E, 420F, 428E, 428F, 430E, 430F, 432E, 432F, 434E, 444E, and compactors CS-56, CP-56 series.
Brand:WINSCHEN
Country of Origin:CHINA
Minimum order quantity:1 PCS
Delivery time:1-3 Days
SKU:CTC-331-8538
- Estimated Delivery : Up to 4 business days
- Free Shipping & Returns : On all orders over $200
331-8538 Wheel Oil Seal – High-Quality Aftermarket Replacement for Caterpillar Equipment
Keep your Caterpillar backhoe loader or compactor’s wheels and axles sealed tight with this premium aftermarket 331-8538 wheel oil seal. Engineered as a direct OEM replacement, it provides robust protection against leaks and contamination in wheel hubs for smooth, dependable operation on job sites.
Key Benefits for Contractors and Operators
- Prevents Costly Leaks: Retains lubricant and blocks dirt, reducing bearing wear and preventing expensive breakdowns.
- Direct Fit Installation: Matches genuine Cat specs for quick, no-modification replacement – minimize downtime and get back to work faster.
- Built Tough for Heavy Duty Use: Durable materials resist abrasion, heat, and harsh conditions for longer service life.
- Cost-Effective Alternative: OEM-level performance at aftermarket pricing – ideal for fleet maintenance and budget-conscious repairs.
- Fast Shipping: In stock and ready to ship within 1-3 days.
Compatible Caterpillar Models
This wheel oil seal is commonly used in axle/wheel assemblies for models including (verify your machine’s parts manual for exact fit):
- Backhoe Loaders: 420E, 420F, 428E, 428F
- 430E, 430F, 432E, 432F
- 434E, 434F, 444E, 444F and related series
- Vibratory Compactors: CS-56, CS-56B, CP-56, CP-56B and others
Specifications
| Part Number | 331-8538 (3318538) |
| Type | Wheel Oil Seal / Cassette Seal |
| Application | Wheel Hub / Axle Assembly |
| Material | High-Quality Durable Rubber Compound |
| Origin | China (Premium Aftermarket) |
| MOQ | 1 Piece |
Questions? Contact us for fitment confirmation or bulk pricing. We stand behind our parts with fast shipping and easy returns.

















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