INA US FT40557 belt tensioner for the 2007-2019 Toyota Tundra V8 5.7L, the 2010-2017 Tundra V8 4.6L and other vehicles holds the engine's accessory drive belt at the right tension. It is a front end auxiliary drive (FEAD) unit, also called a serpentine belt tensioner.
- Precise tension control for consistent performance of the engine's accessory systems
- FEAD design with vibration damping for small installation spaces on high-load engines
- Holds belt tension to prevent slippage and reduce premature wear, extending belt and accessory life
- Minimizes vibration and noise for smoother, quieter engine operation
Quick facts
- Part: INA US FT40557 belt tensioner
- Also called: serpentine belt tensioner
- Fits: the 2007-2019 Toyota Tundra V8 5.7L, the 2010-2017 Tundra V8 4.6L and other vehicles
- Condition: New
A worn tensioner can show up as belt squeal, a slipping belt or uneven belt wear. Those signs alone do not prove the tensioner is at fault, since a stretched belt can squeal too.
Fits
It is a belt tensioner for the 2008-2018 Toyota Sequoia V8 5.7L, the 2010-2012 Sequoia V8 4.6L and the 2010-2019 Lexus GX460 V8 4.6L, among a wide range of Toyota and Lexus models, and each vehicle takes one. If your vehicle is not named here, look up its year and engine in the "Vehicles it fits" section.
Specifications
- Quantity per vehicle: 1
- Type: front end auxiliary drive (FEAD) tensioner
- Condition: New
- Country of origin: China
Interchange: 16620-0S010
39185 · 5340557100 · 999202
This part cross-references / interchanges with the following part numbers:
39185, 5340557100, 16620-0S010, 999202
Frequently Asked Questions
Is this Toyota Tundra belt tensioner right for the 2007-2019 Tundra V8 5.7L and the 2010-2017 Tundra V8 4.6L?
Yes. INA US FT40557 is listed for the 2007-2019 Toyota Tundra V8 5.7L and the 2010-2017 Tundra V8 4.6L, and each takes one. Other vehicles are in the "Vehicles it fits" section.
Where is the INA US FT40557 belt tensioner made?
The country of origin for the INA US FT40557 belt tensioner is China.
Does this belt tensioner replace number 16620-0S010?
Yes. 16620-0S010 is one of the numbers this INA US FT40557 belt tensioner replaces.
What belt problems can a worn belt tensioner show?
Belt squeal, a slipping belt or fast, uneven belt wear can all come from a belt tensioner that no longer holds tension steady.
Is this INA belt tensioner meant to reduce belt vibration and noise?
Yes. The FEAD design on this belt tensioner is built to damp vibration, and steady belt tension helps limit noise for smoother, quieter engine operation.
