3935812 Genuine Cummins Oil Cooler
Unit Auto Parts LLC provides a complimentary 2-Year Warranty on all automotive parts. Shop with confidence knowing your purchase is protected. Learn More
Unit Auto Parts LLC provides a complimentary 2-Year Warranty on all automotive parts. Shop with confidence knowing your purchase is protected. Learn More
The 3935812 oil cooler is a Genuine Cummins engine oil heat exchanger designed to regulate oil temperature under normal and heavy-load operation. It transfers heat from the engine oil to the cooling system to maintain proper viscosity and lubrication.
| Condition | New |
| Part Number | 3935812 |
| Brand | Cummins |
| Part Type | Oil Cooler |
| Weight | 30.2 lb |
| Dimensions | 17.2 x 11.9 x 12.3 in |
| Fitment Type | Direct Replacement |
The 3935812 oil cooler is built to match factory performance and installation requirements:
Maintains proper engine oil temperature under varying load conditions
Designed to factory oil and coolant flow specifications
Precision-machined sealing surfaces for leak-free installation
Constructed for continuous-duty diesel engine operation
Direct replacement for the original Cummins oil cooler assembly
Compatible with OEM gaskets and mounting hardware
The 3935812 oil cooler is intended for Cummins engines equipped with the factory oil cooling system. Proper cleaning of the cooling system and oil passages is required before installation to prevent contamination-related failure.
Always verify engine model, oil cooler configuration, and part number before installation.