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Renew the front crank sealing surface during timing-cover service
MAHLE Original 48383 combines the PTFE front timing cover seal with the repair sleeve and dust shield used to address leakage at the crankshaft sealing surface. The complete service configuration is intended for the verified Cummins-powered Dodge and Ram applications below.
Key Features
- 48383 exact front timing cover sealing configuration
- PTFE primary seal for the crankshaft-to-timing-cover interface
- Repair sleeve restores the sealing surface without replacing the crankshaft
- Dust shield helps protect the front sealing interface
- OE interchange includes Cummins 3802820
- Application-specific fit for supported 5.9L and 6.7L Cummins engines
Fitment
| Years | Make | Model | Verified Application and Notes |
|---|---|---|---|
| 1989-1993 | Dodge | D250, D350, W250, W350 | 5.9L Cummins diesel application |
| 1994-2010 | Dodge | Ram 2500, Ram 3500 | Supported 5.9L and 6.7L Cummins applications |
| 2008-2010 | Dodge | Ram 4500, Ram 5500 | 6.7L Cummins cab-and-chassis application |
| 2011-2018 | Ram | 2500, 3500, 4500, 5500 | 6.7L Cummins application |
Specifications
| Detail | Value |
|---|---|
| Manufacturer Part Number | 48383 |
| Product Type | Front timing cover seal kit |
| Seal Material | PTFE |
| Included Service Components | Repair sleeve and dust shield |
| Package Quantity | 1 kit |
| UPC | 757522722483 |
| OE Interchange | Cummins 3802820 |
| Warranty | 1-year limited warranty under the seller's published terms |
What's Included
- One 48383 PTFE front timing cover seal configuration
- One repair sleeve
- One dust shield
- Timing cover gasket, installation tools, fluids, and unrelated fasteners are not included
About MAHLE Original
MAHLE Original supplies application-specific sealing components engineered to meet or exceed original-equipment requirements. The Victor Reinz sealing catalog identifies this front seal configuration for the supported Cummins diesel applications and documents its repair sleeve and PTFE construction.
Related Parts
- Timing cover gasket set matched to the exact engine and model year
- Front crankshaft sealing-surface installation tool specified by the service procedure
- Engine oil and coolant meeting the vehicle manufacturer's specifications
FAQ
What is the 48383?It is a front timing cover sealing kit with a PTFE seal, repair sleeve, and dust shield for the verified Cummins-powered Dodge and Ram applications.
Does this kit include a repair sleeve?Yes. The exact-product catalog states that a repair sleeve is included.
Is the seal made from PTFE?Yes. MAHLE and retailer specifications identify the primary seal material as PTFE.
Does it fit both 5.9L and 6.7L Cummins engines?It is cataloged for the supported 5.9L and 6.7L Cummins applications listed in the Fitment table; verify the vehicle and OE interchange before installation.
Is a timing cover gasket included?No. This listing covers the front seal configuration, repair sleeve, and dust shield; a timing cover gasket set is separate.
What OE number can be checked?The manufacturer catalog lists Cummins 3802820 as an OE interchange for this seal configuration.
Can the sleeve be installed without surface preparation?No. The crankshaft sealing surface must be cleaned, inspected, and prepared according to the current service procedure before the sleeve is installed.
What warranty applies?The exact retailer specifications state a one-year limited warranty, subject to the seller's and manufacturer's published terms.
Installation Instructions
- Confirm the package identifies 48383 and compare the seal, sleeve, and dust shield with the removed components.
- Disconnect battery power, allow the engine to cool, and follow the current vehicle and Cummins service procedures.
- Remove the accessory drive, crankshaft damper, and timing-cover components required for access without damaging the crankshaft surface.
- Clean and inspect the crankshaft sealing surface and timing-cover bore; correct any damage outside the repair sleeve's service limits.
- Install the repair sleeve squarely with the specified driver and do not strike the sealing surface directly.
- Install the PTFE seal and dust shield in their documented orientation without contaminating the sealing lip.
- Reassemble the timing-cover and front-drive components with the specified gaskets, fasteners, torque values, and fluid procedures.
- Run the engine, inspect the front cover and crankshaft area for leakage, and recheck after the initial road test.
California Proposition 65 Warning: Cancer and reproductive harm. See www.P65Warnings.ca.gov.
Victor Reinz
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