OE Quality
60-Day Returns

INA ZC-78537T-9R Engine Timing Set
INA Timing Chain Kit for GM V8 Applications
The INA ZC-78537T-9R engine timing set is built for select Chevrolet truck and SUV applications that need a complete timing chain repair. It includes the essential timing components needed to restore proper valve timing on compatible 1996-1999 Chevrolet C2500 Suburban, K2500 Suburban, C2500, and C3500 models.
For buyers searching for an engine timing set for a 1996-1999 Chevrolet C2500 Suburban or a 1997 Chevrolet C3500, this INA kit provides the core parts required for a thorough timing service. The part number ZC-78537T-9R is also cross-referenced to 5591360100 for the same application.
Key Features
- Complete timing chain kit for engine valve train service
- Includes chains, tensioners, and guides
- Some applications also include gears and sprockets
- High-performance chain additive formulated for Schaeffler by Liqui Moly
- Additive helps reduce friction during break-in and lowers run-in wear by up to 20%
- Compatible with select Chevrolet C2500 Suburban, K2500 Suburban, C2500, and C3500 applications
Product Details
INA timing chain kits are assembled to cover the major wear items involved in timing system repair. The ZC-78537T-9R kit is intended for vehicles where a full timing chain service is needed, and it is especially relevant for Chevrolet C2500 Suburban timing chain kit searches, Chevrolet K2500 Suburban timing set searches, and related Chevrolet C2500 and C3500 engine timing repair needs. The included chain additive is used during initial operation to reduce friction and wear as the new components seat.
Common Issues This Part Can Address
- Excessive timing chain noise
- Worn or stretched timing components
- Timing drift that affects engine performance
- Failed tensioners or guides
- Service needs during a complete valve train repair
Installation Notes
Verify engine code and exact vehicle application before installation. Timing system service requires careful alignment of chains, sprockets, and timing marks, so follow the factory repair procedure and inspect related wear surfaces before assembly. For best results, replace all accessible timing components at the same time when the system shows wear.
Quality Assurance
INA is part of Schaeffler and supplies timing components engineered for complete repair coverage. The ZC-78537T-9R kit is built around the components needed for a proper timing chain service and includes the brand’s specified break-in additive for initial wear reduction.
This part fits 10 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1999 | Chevrolet | C2500 Suburban | 7.4L | V8 | N/A | |
| 1999 | Chevrolet | K2500 Suburban | 7.4L | V8 | N/A | |
| 1998 | Chevrolet | C2500 Suburban | 7.4L | V8 | N/A | |
| 1998 | Chevrolet | K2500 Suburban | 7.4L | V8 | N/A | |
| 1997 | Chevrolet | C2500 | 7.4L | V8 | N/A | |
| 1997 | Chevrolet | C2500 Suburban | 7.4L | V8 | N/A | |
| 1997 | Chevrolet | C3500 | 7.4L | V8 | N/A | |
| 1997 | Chevrolet | K2500 Suburban | 7.4L | V8 | N/A | |
| 1996 | Chevrolet | C2500 Suburban | 7.4L | V8 | N/A | |
| 1996 | Chevrolet | K2500 Suburban | 7.4L | V8 | N/A |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.