The Enginetech TT66 is a Timing Belt Tensioner for 1980-1993 Chevrolet, Geo, Toyota 1.5L/1.6L 98ci I4 engines. This precision-fit replacement restores correct belt tension to prevent slippage and premature belt wear.
| Part Number | TT66 |
| Product Type | Timing Belt Tensioner |
| Engine | 1.5L/1.6L 98ci I4 |
| Year Range | 1980-1993 |
| Makes | Chevrolet, Geo, Toyota |
| Country of Origin | US |
| Weight | 2.6 lbs |
| UPC | 707473118514 |
| OEM Cross-Refs | Beck/Arnley:024-1087, Cloyes:9-5066, Melling:BT66, FEL-PRO:222-66BT |
Vehicle Fitment
- 1980 Toyota Tercel 1.5L I4 SOHC [VIN:A]
- 1981-1988 Toyota Tercel 1.5L I4 SOHC [VIN:A]
- 1983-1987 Toyota Corolla 1.6L I4 SOHC [VIN:A]
- 1984-1988 Toyota Corolla 1.6L I4 SOHC [VIN:A]
- 1985-1988 Chevrolet Nova 1.6L 98ci I4 SOHC [VIN:4]
- 1988-1989 Toyota Corolla 1.6L I4 DOHC [VIN:A]
- 1988-1992 Toyota Corolla 1.6L I4 DOHC [VIN:A]
- 1990-1992 Geo Prizm 1.6L I4 DOHC [VIN:6]
- 1990-1993 Toyota Celica 1.6L I4 DOHC [VIN:A]
Enginetech timing belt tensioners and idlers are precision-fit replacement components engineered to maintain correct belt tension and alignment throughout the service life of the engine. Built on over 40 years of engine rebuilding expertise, each tensioner and idler is designed around the specific engine family it serves - bearing dimensions, pulley geometry, and hydraulic or mechanical preload specifications are matched to the belt routing system of that exact application. Proper tensioner and idler condition is critical to preventing belt slippage, timing deviation, premature belt wear, and catastrophic belt failure. Enginetech documents every component with clear application-specific notes so you know exactly what type you are receiving before the engine is on the stand. Always verify fitment by year, make, model, VIN code, and engine displacement before ordering - multiple tensioner configurations often exist for the same vehicle nameplate.
