Product overview
Genuine OEM Audi Serpentine Belt Idler Pulley, part number 074145278E. This pulley guides and maintains proper tension on the serpentine belt, ensuring reliable operation of engine accessories like the alternator, power steering pump, and air conditioning compressor. It features a durable plastic body with a precision-engineered metallic bearing. Weighing 0.268 kg and with a diameter of approximately 0.09 meters, its smooth rotation is critical. Choosing a genuine OEM idler pulley guarantees the correct bearing quality, material strength, and precise dimensions for quiet, vibration-free operation and extended service life, preventing belt slippage and premature wear.
Technical details
- Category
- Belts, Chains & Tensioners
- Customs (HS) code
- 84835080
- Manufacturer
- Audi
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 9 × 9 × 3 cm
- Shipping weight
- 0.27 kg
Why buy from WW Spares?
- ✓ Genuine OEM inventory sourced directly from factory networks
- ✓ Fitment support from workshop-seasoned parts specialists
- ✓ Global logistics with customs-ready documentation
Need help confirming compatibility? Talk to a specialist
Parts diagram & fitment
18 vehiclesIdler Pulley — locate 074145278E Audi Serpentine Belt Idler Pulley | Belt Tension in the official exploded view and explore the surrounding assembly.
Parts in this assembly18
- 1Hydropump 2D0422155C
- 2Screw N90342402
- 3Pulley 074121031
- 4Washer N01152520
- 5Screw N0147067
- 6Screw N0147135
- 9Bolt N10422401
- 10Bolt N0103506
- 12Bracket 076145283
- 13Part 074145278F
- 13Tens Roll 076145278
- 14Bolt N01024016
- 15Bolt N0104707
- 16B Tensionr 074145299A
- 18Bolt N90166902
- 19Bolt N10287302
- 22Ply-v-belt 074145933P
- 22Ply-v-belt 074145933AR
Compatible / alternative parts(8)
Vehicle fitment table18
Europe (10)
| Vehicle | Years | Pos. | Qty | Remark |
|---|---|---|---|---|
| LT, LT 4X4 | 2003-2006 | 20, 10 | 1 | |
| LT, LT 4X4 | 1996-2003 | 20, 10, 11 | 1 | |
| TRANSPORTER SYNCRO | 1996-2003 | 18, 16 | 1 | |
| Transporter 96 | 1996-1996 | 6, 20 | 1 | |
| TRANSPORTER SYNCRO | 1995-1995 | 6, 16 | 1 | ACU |
| Transporter syncro | 1992-1995 | 6, 16, 1 | 1 | AAF,ACU |
| Passat syncro | 1991-1993 | 34 | 2 | |
| Corrado | 1989-1995 | 34 | 2 | |
| Jetta | 1989-1991 | 34 | 2 | |
| Golf/Jetta syn, Rallye | 1985-1991 | 34 | 2 |
Other markets (7)
| Vehicle | Years | Pos. | Qty | Remark |
|---|---|---|---|---|
| MARINE-MOTOR 02> | 2002- | 11 | 1 | |
| Eurovan | 1998-2003 | 18, 20 | 1 | |
| Eurovan 98 | 1997-1998 | 18, 20 | 1 | |
| Eurovan | 1996-1997 | 6, 20 | 1 | |
| Eurovan F>>70-T 96 | 1995-1995 | 6, 12, 16 | 1 | |
| Eurovan 95 | 1994-1995 | 6, 12, 1 | 1 | 90 |
| Eurovan | 1991-1994 | 6, 12, 1 | 1 | AAF,ACU |
Platform / generic diagrams (1)
| Vehicle | Years | Pos. | Qty | Remark |
|---|---|---|---|---|
| 701 platform | 6, 16 |
Diagrams & fitment data powered by oemdiagrams.com
074145278E Audi Serpentine Belt Idler Pulley | Belt Tension is fitted on: LT, LT 4X4 2003-2006; LT, LT 4X4 1996-2003; TRANSPORTER SYNCRO 1996-2003; Transporter 96 1996-1996; TRANSPORTER SYNCRO 1995-1995; Transporter syncro 1992-1995; Passat syncro 1991-1993; Corrado 1989-1995; Jetta 1989-1991; Golf/Jetta syn, Rallye 1985-1991; MARINE-MOTOR 02> 2002-; Eurovan 1998-2003; Eurovan 98 1997-1998; Eurovan 1996-1997; Eurovan F>>70-T 96 1995-1995; Eurovan 95 1994-1995; Eurovan 1991-1994; 701 platform.