4SR48 S688 S689 7337 Timing Chain Kits For Jeep
The DUHUI Bearing 4SR48 timing chain kit is a complete OE-replacement solution designed for Jeep 4.0L inline-6 engines (242 CID). This timing chain kit synchronizes crankshaft and camshaft rotation with durable chain and sprocket components. Manufactured to match original equipment specifications including 4SR48, S688, S689, and 7337, this timing component kit delivers reliable operation for compatible Jeep Cherokee, Grand Cherokee, Wrangler, and Comanche applications.
Technical Specifications
| Specification | Value / Detail |
|---|---|
| DH Code | |
| Part Number | 4SR48 |
| Product Type | Timing Chain Kit |
| Application | Engine Timing System |
| Engine Compatibility | Jeep 4.0L (242 CID) Inline-6 |
| Number of Components | 4 |
| Number of Timing Chains | 1 |
| Number of Cam Sprockets | 1 |
| Number of Crank Sprockets | 1 |
| Number of Guides | 1 |
| Vehicle Application | Jeep 4.0L Inline-6 |
Important: All information on this page is for reference only. Please verify OE numbers, dimensions, and vehicle fitment against your original part before ordering. Contact us for fitment confirmation.
DH Code & OE Numbers & Reference Numbers
DH Code:
OE Numbers:
4SR48, S688, S689, 7337
Reference Numbers (Interchange):
Cloyes: 9-0394
Melling: 3-297
Enginetech: TCK100
Vehicle Fitment
JEEP CHEROKEE (XJ): 4.0L Inline-6 1987-1993
JEEP COMANCHE (MJ): 4.0L Inline-6 1987-1992
JEEP WRANGLER (YJ): 4.0L Inline-6 1987-1993
Please verify OE number, dimensions and vehicle configuration before ordering.
Product Features
- Complete timing chain kit for Jeep 4.0L inline-6 applications. Matches OE specifications including 4SR48, S688, S689, and 7337.
- Includes timing chain, cam sprocket, crank sprocket, and guide – all components required for a complete timing system service.
- Durable chain construction provides high strength and resistance to elongation.
- Precision-machined sprockets ensure proper engagement and timing accuracy.
Installation Notes
- Verify engine timing marks are aligned before removing the old timing chain.
- Always replace the cam sprocket, crank sprocket, and guide when replacing the timing chain.
- Ensure the timing marks on both sprockets are properly aligned during installation.
- Torque all fasteners to Jeep manufacturer specifications (refer to service manual).
- Rotate the engine manually through two full revolutions after installation to verify timing alignment.
About DUHUI Bearing
Manufactured by DUHUI Bearing – an automotive bearing supplier established in Zhejiang, China, in 2003. DUHUI produces timing chain kits to OE specifications. Contact us
