Product overview
Genuine OEM Volkswagen Engine Control Unit Relay, part number 165906381. This electrical relay is a crucial component that controls the power supply to the engine control unit (ECU), enabling proper engine function and management. It acts as an electrical switch, allowing a low-power signal to control a higher-power circuit. Weighing 0.037 kg, this relay is built to precise factory specifications. Choosing a genuine OEM relay ensures correct electrical characteristics, reliable switching, and long-term durability, preventing intermittent electrical issues that can affect engine performance.
Technical details
- Category
- Electrical & Wiring
- Country of origin
- Germany
- Customs (HS) code
- 85364190
- Manufacturer
- Volkswagen
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 4 × 2.9 × 2.9 cm
- Shipping weight
- 0.04 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
77 vehiclesRelay — locate 165906381 Volkswagen Engine Control Unit Relay | Genuine OEM in the official exploded view and explore the surrounding assembly.
Parts in this assembly30
- 1Plate 357937039
- 2Bracket 6K0937083
- 3Tool 171937579
- 4Bracket 6K1937581
- 6LeverLeft1H1941857
- 7LeverRight1H1941858
- 8Fuse 6K0937105
- 8FuseLeftN01713123
- 8FuseRightN01713124
- 8Fuse N0171316
- 8FuseLeftN01713111
- 9Part 191955531
- 9Part 1HM955531A
- 9Relay 1L0953227
- 9Part 357959141C
- 9Relay 4H0951253
- 9Part 4H0951253A
- 9Part 857951253
- 10Fuse Box 1H0937530
- 12Bracket 191937501
- 13Fuse 443937105
- 14Plate 531941845
- 15Part 191955532A
- 16Collar Nut N90215805
- 17Bracket 6N0972559
- 18Part N01100624
- 19Grd Connec 6N0971519
- 20Plate 6N1971825
- 21Clip 1H0971897
- 22Bracket 357971004
Vehicle fitment table79
Europe (64)
| Vehicle | Years | Pos. | Qty | Remark |
|---|---|---|---|---|
| CADDY-KOMBI/KASTENW. 06> | 2005- | 9 | ||
| POLO CLASSIC 06> | 2005- | 21 | ||
| PASSAT/4MOTION/W8 | 2002-2005 | 21 | ||
| PASSAT 00> | 2000- | 21 | ||
| Passat/4Motion/W8 | 2000-2002 | 21 | ||
| CORDOBA/VARIO | 1999-2002 | 21 | ||
| IBIZA | 1999-2002 | 21 | ||
| POLO CLASSIC/VARIANT | 1999-2001 | 21 | ||
| Audi A4/Avant | 1999-2001 | 21 | ||
| Audi A4/Av.qu. | 1999-2001 | 21 | ||
| caddy combi./del.van | 1998-2005 | 9 | ||
| GOLF CABRIO | 1998-2001 | 11 | ||
| Golf | 1998-2000 | 17 | ||
| Audi A6/Avant | 1997-2001 | 21 | 1 | |
| Audi A6/Av.qu.F4B-W-> | 1997-2001 | 21 | 1 | |
| Passat | 1997-2000 | 21 | ||
| TRANSPORTER SYNCRO | 1996-2003 | 9 | ||
| AUDI A3/S3/QUATTRO | 1996-2000 | 17 | ||
| ALHAMBRA | 1996-2000 | 9, 13 | ||
| GOLF VAR./VENTO | 1996-1999 | 11 | ||
| POLO CLASSIC/VARIANT | 1996-1999 | 9 | ||
| TOLEDO SEAT MOD.97>99 | 1996-1999 | 6 | ||
| IBIZA/CORDOBA/VARIO | 1996-1999 | 9 | ||
| Golf | 1996-1997 | 11 | ||
| Audi A6/Wagon F >4A-W | 1996-1997 | 18 | ||
| Transporter 96 | 1996-1996 | 9 | ||
| CADDY-KOMBI/KASTEN | 1995-2003 | 9 | ||
| INCA (SEAT-VAN) | 1995-2003 | 9 | ||
| SHARAN/SYNCRO | 1995-2000 | 9, 13 | ||
| Polo Classic 96 | 1995-1996 | 9 | ||
| Golf 96 | 1995-1996 | 11 | ||
| Golf Var./Vento 96 | 1995-1996 | 11 | ||
| Audi A6/Wagon 96 | 1995-1996 | 18 | ||
| TRANSPORTER SYNCRO | 1995-1995 | 9 | ||
| Passat | 1994-1997 | 9, 1 | 3/30 | |
| Derby (MEX) | 1994-1996 | 9 | ||
| Golf Cabrio | 1994-1996 | 11 | ||
| Passat Var.syncro | 1994-1996 | 9, 1 | 3 | |
| Golf/Ecomatic 95 | 1994-1995 | 11 | ||
| Golf Var./Vento 95 | 1994-1995 | 11 | ||
| Audi A6/Wagon 95 | 1994-1995 | 18 | ||
| Audi 90 qu. 95 | 1994-1995 | 9 | ||
| Audi Coupe/3 | 1994-1995 | 9 | ||
| Audi Cabrio. | 1993-1998 | 9 | ||
| Golf/Var. syncro | 1993-1997 | 11 | ||
| Jetta GLX 94 | 1993-1994 | 11 | ||
| Audi 100/Wagon 94 | 1993-1994 | 8 | ||
| Ibiza/Cordoba (SEAT) | 1992-1996 | 9 | ||
| Transporter syncro | 1992-1995 | 9 | ||
| Audi 90 qu. | 1992-1994 | 9 | ||
| Audi 90 93 | 1992-1993 | 9 | ||
| Audi 100/Wagon 93 | 1992-1993 | 8 | ||
| TOLEDO SEAT | 1991-1996 | 6 | ||
| GOLF/Ecomatic | 1991-1994 | 11 | ||
| Passat syncro | 1991-1993 | 1 | ||
| Passat | 1991-1993 | 9, 1 | 3 | |
| Corrado | 1989-1995 | 9 | ||
| LT, LT 4x4 (28-55) | 1989-1995 | 5 | ||
| Passat | 1989-1991 | 9, 1 | 3 | |
| Jetta | 1989-1991 | 9 | ||
| AUDI COUPE/3 | 1988-1994 | 9 | ||
| Golf/Jetta syn, Rallye | 1985-1991 | 9 | ||
| POLO/COUPE/DERBY | 1981-1990 | 15 | ||
| KAEFER (MEX.) | 1964-2003 | 16 |
Other markets (10)
| Vehicle | Years | Pos. | Qty | Remark |
|---|---|---|---|---|
| AUDI A6L CHINA | 1999-2005 | 21 | 1 | |
| Eurovan | 1998-2003 | 9 | ||
| Eurovan 98 | 1997-1998 | 9 | ||
| POLO CLASS./PL. "ZA" | 1996-2003 | 9, 21 | ||
| Golf/Jetta "USA","Mex"97>99 | 1996-1998 | 11 | ||
| Eurovan | 1996-1997 | 9 | ||
| Eurovan F>>70-T 96 | 1995-1995 | 9 | ||
| Eurovan 95 | 1994-1995 | 9 | ||
| Golf/Jetta "USA","MEX"93>96 | 1992-1996 | 11 | ||
| Eurovan | 1991-1994 | 9 |
Platform / generic diagrams (3)
| Vehicle | Years | Pos. | Qty | Remark |
|---|---|---|---|---|
| 3B0 platform | 21 | |||
| 6K0 platform | 21 | 1 | ADC,ADD | |
| 6K0 platform | 21 | 1 | AKL |
Listed without a diagram position (2)
| Vehicle | Years | Pos. | Qty | Remark |
|---|---|---|---|---|
| TIPO 2 (MEX) | 1971-2001 | |||
| Golf/Jetta "USA","MEX"89>92 | 1988-1992 |
Diagrams & fitment data powered by oemdiagrams.com
165906381 Volkswagen Engine Control Unit Relay | Genuine OEM is fitted on: CADDY-KOMBI/KASTENW. 06> 2005-; POLO CLASSIC 06> 2005-; PASSAT/4MOTION/W8 2002-2005; PASSAT 00> 2000-; Passat/4Motion/W8 2000-2002; CORDOBA/VARIO 1999-2002; IBIZA 1999-2002; POLO CLASSIC/VARIANT 1999-2001; Audi A4/Avant 1999-2001; Audi A4/Av.qu. 1999-2001; caddy combi./del.van 1998-2005; GOLF CABRIO 1998-2001; Golf 1998-2000; Audi A6/Avant 1997-2001; Audi A6/Av.qu.F4B-W-> 1997-2001; Passat 1997-2000; TRANSPORTER SYNCRO 1996-2003; AUDI A3/S3/QUATTRO 1996-2000; ALHAMBRA 1996-2000; GOLF VAR./VENTO 1996-1999; POLO CLASSIC/VARIANT 1996-1999; TOLEDO SEAT MOD.97>99 1996-1999; IBIZA/CORDOBA/VARIO 1996-1999; Golf 1996-1997; Audi A6/Wagon F >4A-W 1996-1997; Transporter 96 1996-1996; CADDY-KOMBI/KASTEN 1995-2003; INCA (SEAT-VAN) 1995-2003; SHARAN/SYNCRO 1995-2000; Polo Classic 96 1995-1996; Golf 96 1995-1996; Golf Var./Vento 96 1995-1996; Audi A6/Wagon 96 1995-1996; TRANSPORTER SYNCRO 1995-1995; Passat 1994-1997; Derby (MEX) 1994-1996; Golf Cabrio 1994-1996; Passat Var.syncro 1994-1996; Golf/Ecomatic 95 1994-1995; Golf Var./Vento 95 1994-1995; Audi A6/Wagon 95 1994-1995; Audi 90 qu. 95 1994-1995; Audi Coupe/3 1994-1995; Audi Cabrio. 1993-1998; Golf/Var. syncro 1993-1997; Jetta GLX 94 1993-1994; Audi 100/Wagon 94 1993-1994; Ibiza/Cordoba (SEAT) 1992-1996; Transporter syncro 1992-1995; Audi 90 qu. 1992-1994; Audi 90 93 1992-1993; Audi 100/Wagon 93 1992-1993; TOLEDO SEAT 1991-1996; GOLF/Ecomatic 1991-1994; Passat syncro 1991-1993; Passat 1991-1993; Corrado 1989-1995; LT, LT 4x4 (28-55) 1989-1995; Passat 1989-1991; Jetta 1989-1991; AUDI COUPE/3 1988-1994; Golf/Jetta syn, Rallye 1985-1991; POLO/COUPE/DERBY 1981-1990; KAEFER (MEX.) 1964-2003; AUDI A6L CHINA 1999-2005; Eurovan 1998-2003; Eurovan 98 1997-1998; POLO CLASS./PL. "ZA" 1996-2003; Golf/Jetta "USA","Mex"97>99 1996-1998; Eurovan 1996-1997; Eurovan F>>70-T 96 1995-1995; Eurovan 95 1994-1995; Golf/Jetta "USA","MEX"93>96 1992-1996; Eurovan 1991-1994; 3B0 platform; 6K0 platform.