OE Quality
60-Day Returns

INA ZC-C-3070 Engine Timing Set
INA ZC-C-3070 Timing Chain Kit Overview
INA ZC-C-3070 is a premium engine timing set for select Buick, Oldsmobile, and Pontiac applications from 1988-1990. It is built around the timing chain service components needed for a proper repair, with OE-style coverage for the valve train timing system.
- Premium-grade engine timing set from INA
- Part number: ZC-C-3070
- Engine timing set for valve train service
- Direct fitment coverage for select 1988-1990 Buick, Oldsmobile, and Pontiac models
- Interchange reference: 5591139100
Key Features
- Premium grade construction
- Timing chain kit format for engine timing service
- Includes the essential chain components needed for the repair
- INA timing chain kits are engineered for complete timing system service
- Part number ZC-C-3070 for accurate ordering and catalog lookup
Detailed Description
INA ZC-C-3070 is an engine timing set in the Engine > Valve Train Components category, made for timing chain service on select 1988-1990 Buick LeSabre, Buick Reatta, Buick Regal, Buick Riviera, Oldsmobile 98, Oldsmobile Delta 88, Oldsmobile Toronado, and Pontiac Bonneville applications. This timing chain kit is intended to support a complete timing repair by providing the core chain-related components required for the job. In some INA timing kit applications, additional gears, sprockets, and a chain additive may be included; verify the exact contents against the application before installation. This part cross-references 5591139100 for the same application.
Vehicle Fitment
- Fits 1988-1990 Buick LeSabre, N/A. Notes: INA Global Number 559 1139 100; 73085 Includes Cam Spkt, Chain, Crank Spkt; 3 Pc.
- Fits 1988-1990 Buick Reatta, N/A. Notes: INA Global Number 559 1139 100; 73085 Includes Cam Spkt, Chain, Crank Spkt; 3 Pc.
- Fits 1990 Buick Regal, N/A. Notes: INA Global Number 559 1139 100; 73085 Includes Cam Spkt, Chain, Crank Spkt; 3 Pc.
- Fits 1988-1990 Buick Riviera, N/A. Notes: INA Global Number 559 1139 100; 73085 Includes Cam Spkt, Chain, Crank Spkt; 3 Pc.
- Fits 1988-1990 Oldsmobile 98, N/A. Notes: INA Global Number 559 1139 100; L36
- Fits 1988-1990 Oldsmobile Delta 88, N/A. Notes: INA Global Number 559 1139 100; L36
- Fits 1988-1990 Oldsmobile Toronado, N/A. Notes: INA Global Number 559 1139 100; L36
- Fits 1988-1990 Pontiac Bonneville, N/A. Notes: INA Global Number 559 1139 100; 3 Pc.
Installation Notes
Confirm engine code, timing configuration, and the notes listed for each vehicle before installation. Because timing system service affects camshaft and crankshaft synchronization, inspect related wear items and verify timing marks during assembly. For Buick LeSabre and Buick Riviera timing chain service, as well as Oldsmobile Delta 88 and Pontiac Bonneville timing repair, match the application notes to the vehicle exactly before starting the job.
Quality Assurance
INA timing chain kits are built as premium engine timing service parts and are organized to support a complete repair with the required timing components for the listed applications. The kit format helps streamline parts selection for 1988-1990 Buick, Oldsmobile, and Pontiac timing chain service.
| Brand | INA |
| Part Number | ZC-C-3070 |
| 10146 | 1 |
| 10339 | Yes |
| 10340 | Yes |
| Grade Type | Premium |
| Chain Guides Included | No |
| Tensioner Included | No |
| Gaskets Included | No |
| Drive Sprocket Included | No |
This part fits 22 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1990 | Buick | LeSabre | 3.8L | V6 | N/A | INA Global Number 559 1139 100; 73085 Includes Cam Spkt, Chain, Crank Spkt; 3 Pc. |
| 1990 | Buick | Reatta | 3.8L | V6 | N/A | INA Global Number 559 1139 100; 73085 Includes Cam Spkt, Chain, Crank Spkt; 3 Pc. |
| 1990 | Buick | Regal | 3.8L | V6 | N/A | INA Global Number 559 1139 100; 73085 Includes Cam Spkt, Chain, Crank Spkt; 3 Pc. |
| 1990 | Buick | Riviera | 3.8L | V6 | N/A | INA Global Number 559 1139 100; 73085 Includes Cam Spkt, Chain, Crank Spkt; 3 Pc. |
| 1990 | Oldsmobile | 98 | 3.8L | V6 | N/A | INA Global Number 559 1139 100; L36 |
| 1990 | Oldsmobile | Delta 88 | 3.8L | V6 | N/A | INA Global Number 559 1139 100; L36 |
| 1990 | Oldsmobile | Toronado | 3.8L | V6 | N/A | INA Global Number 559 1139 100; L36 |
| 1990 | Pontiac | Bonneville | 3.8L | V6 | N/A | INA Global Number 559 1139 100; 3 Pc. |
| 1989 | Buick | LeSabre | 3.8L | V6 | N/A | INA Global Number 559 1139 100; 73085 Includes Cam Spkt, Chain, Crank Spkt; 3 Pc. |
| 1989 | Buick | Reatta | 3.8L | V6 | N/A | INA Global Number 559 1139 100; 73085 Includes Cam Spkt, Chain, Crank Spkt; 3 Pc. |
| 1989 | Buick | Riviera | 3.8L | V6 | N/A | INA Global Number 559 1139 100; 73085 Includes Cam Spkt, Chain, Crank Spkt; 3 Pc. |
| 1989 | Oldsmobile | 98 | 3.8L | V6 | N/A | INA Global Number 559 1139 100; L36 |
| 1989 | Oldsmobile | Delta 88 | 3.8L | V6 | N/A | INA Global Number 559 1139 100; L36 |
| 1989 | Oldsmobile | Toronado | 3.8L | V6 | N/A | INA Global Number 559 1139 100; L36 |
| 1989 | Pontiac | Bonneville | 3.8L | V6 | N/A | INA Global Number 559 1139 100; 3 Pc. |
| 1988 | Buick | LeSabre | 3.8L | V6 | N/A | INA Global Number 559 1139 100; 73085 Includes Cam Spkt, Chain, Crank Spkt; 3 Pc. |
| 1988 | Buick | Reatta | 3.8L | V6 | N/A | INA Global Number 559 1139 100; 73085 Includes Cam Spkt, Chain, Crank Spkt; 3 Pc. |
| 1988 | Buick | Riviera | 3.8L | V6 | N/A | INA Global Number 559 1139 100; 73085 Includes Cam Spkt, Chain, Crank Spkt; 3 Pc. |
| 1988 | Oldsmobile | 98 | 3.8L | V6 | N/A | INA Global Number 559 1139 100; L36 |
| 1988 | Oldsmobile | Delta 88 | 3.8L | V6 | N/A | INA Global Number 559 1139 100; L36 |
| 1988 | Oldsmobile | Toronado | 3.8L | V6 | N/A | INA Global Number 559 1139 100; L36 |
| 1988 | Pontiac | Bonneville | 3.8L | V6 | N/A | INA Global Number 559 1139 100; 3 Pc. |
* 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.