The Enginetech TS503 is a Timing Chain Set for 1982-1990 Cadillac engines (4.1L/4.5L V8). This kit provides precision-matched timing components engineered to restore factory valve timing specifications.
Important Notes
| Part Number | TS503 |
| Set Type | Timing Chain Set |
| Engine | 4.1L/4.5L V8 |
| Year Range | 1982-1990 |
| Makes | Cadillac |
| Chain Type | Silent Chain |
| Chain Material | High Alloy Steel |
| Country of Origin | US |
| Weight | 3 lbs |
| UPC | 707473079174 |
| OEM Cross-Refs | Cloyes:C-3049K, Elgin:TC-3049, Melling:3-503S, FEL-PRO:KT3-503S |
Vehicle Fitment
- 1982-1987 Cadillac Eldorado 4.1L 250ci V8 OHV [VIN:8]
- 1982-1987 Cadillac Seville 4.1L 250ci V8 OHV [VIN:8]
- 1985-1987 Cadillac Commercial Chassis 4.1L 250ci V8 OHV [VIN:8]
- 1985-1987 Cadillac DeVille 4.1L 250ci V8 OHV [VIN:8]
- 1985-1987 Cadillac Fleetwood 4.1L 250ci V8 OHV [VIN:8]
- 1988-1989 Cadillac Commercial Chassis 4.5L 273ci V8 OHV [VIN:5]
- 1988-1989 Cadillac DeVille 4.5L 273ci V8 OHV [VIN:5]
- 1988-1989 Cadillac Eldorado 4.5L 273ci V8 OHV [VIN:5]
- 1988-1989 Cadillac Fleetwood 4.5L 273ci V8 OHV [VIN:5]
- 1988-1989 Cadillac Seville 4.5L 273ci V8 OHV [VIN:5]
- 1989-1990 Cadillac Allante 4.5L 273ci V8 OHV [VIN:8]
- 1990 Cadillac Commercial Chassis 4.5L 273ci V8 OHV [VIN:3]
- 1990 Cadillac DeVille 4.5L 273ci V8 OHV [VIN:3]
- 1990 Cadillac Eldorado 4.5L 273ci V8 OHV [VIN:3]
- 1990 Cadillac Fleetwood 4.5L 273ci V8 OHV [VIN:3]
- 1990 Cadillac Seville 4.5L 273ci V8 OHV [VIN:3]
Enginetech timing chain sets are precision-matched replacement kits engineered to restore the factory valve timing relationship critical to engine performance, emissions compliance, and longevity. Built on over 40 years of engine rebuilding expertise, each kit is designed around the specific engine family it serves - chains are manufactured to OEM link count and pitch specifications, sprockets (where included) are produced from application-matched materials, and tensioners and guides are selected to deliver correct hydraulic preload and wear surface geometry for that exact application. Enginetech documents every kit with clear application-specific notes so you know exactly what is and is not included before the engine is on the stand. Always verify fitment by year, make, model, VIN code, and engine displacement before ordering - multiple chain configurations often exist for the same vehicle nameplate.
