TD5 Auxiliary Drive Belt Tensioners
TD5 auxiliary drive belt tensioners for Defender and Discovery 2, with Allmakes, Dayco, NTN/SNR OEM and Genuine Land Rover assemblies replacing ERR6951.
The same tensioner fits the Defender TD5 and Discovery 2 TD5 auxiliary drive system. Brand and quality level are the buying decision here; air-conditioning and ACE affect the separate auxiliary belt length rather than the tensioner.
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Which TD5 auxiliary belt tensioner?
Each tensioner shown replaces ERR6951 and is supplied as a complete spring-loaded assembly with the pulley fitted. The main difference is the brand and quality tier rather than vehicle fitment.
| Tensioner | Quality level | What you are buying |
|---|---|---|
| Allmakes | Branded aftermarket | A straightforward, lower-priced complete replacement tensioner. |
| Dayco | Premium branded | A quality-led complete tensioner assembly from Dayco. |
| NTN/SNR | OEM | The OEM middle-ground between an ordinary aftermarket replacement and Genuine Land Rover. |
| Genuine Land Rover | Genuine | The Genuine Land Rover boxed ERR6951 tensioner assembly. |
Check the auxiliary belt at the same time
A worn tensioner can cause belt squeal or chirping, pulley-bearing noise, poor belt tracking or excessive movement from the tensioner arm. Inspect the belt for cracking, glazing, contamination and damaged edges while it is removed.
Replacement number
All tensioners in this section replace ERR6951.
All tensioners in this section replace ERR6951.
Defender fitment
Fits Defender TD5 models using the standard TD5 auxiliary drive system.
Fits Defender TD5 models using the standard TD5 auxiliary drive system.
Discovery 2 fitment
Fits Discovery 2 TD5 models using the standard TD5 auxiliary drive system.
Fits Discovery 2 TD5 models using the standard TD5 auxiliary drive system.
Belt selection
The tensioner does not split by air-conditioning or ACE, but the auxiliary belt does.
The tensioner does not split by air-conditioning or ACE, but the auxiliary belt does.
Related TD5 engine parts
| Section | Use it for |
|---|---|
| TD5 auxiliary drive belts | Match the replacement belt to the vehicle’s air-conditioning and ACE equipment. |
| Defender TD5 engine parts | Defender TD5 servicing, sealing, belt-drive and engine repair parts. |
| Discovery 2 TD5 engine parts | Discovery 2 TD5 servicing, belt-drive and engine repair parts. |
