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Genuine OEM & performance parts — ships to United States

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 vehicles

Relay — locate 165906381 Volkswagen Engine Control Unit Relay | Genuine OEM in the official exploded view and explore the surrounding assembly.

Parts in this assembly30
Vehicle fitment table79

Europe (64)

VehicleYearsPos.QtyRemark
CADDY-KOMBI/KASTENW. 06>2005-9
POLO CLASSIC 06>2005-21
PASSAT/4MOTION/W82002-200521
PASSAT 00>2000-21
Passat/4Motion/W82000-200221
CORDOBA/VARIO1999-200221
IBIZA1999-200221
POLO CLASSIC/VARIANT1999-200121
Audi A4/Avant1999-200121
Audi A4/Av.qu.1999-200121
caddy combi./del.van1998-20059
GOLF CABRIO1998-200111
Golf1998-200017
Audi A6/Avant1997-2001211
Audi A6/Av.qu.F4B-W->1997-2001211
Passat1997-200021
TRANSPORTER SYNCRO1996-20039
AUDI A3/S3/QUATTRO1996-200017
ALHAMBRA1996-20009, 13
GOLF VAR./VENTO1996-199911
POLO CLASSIC/VARIANT1996-19999
TOLEDO SEAT MOD.97>991996-19996
IBIZA/CORDOBA/VARIO1996-19999
Golf1996-199711
Audi A6/Wagon F >4A-W1996-199718
Transporter 961996-19969
CADDY-KOMBI/KASTEN1995-20039
INCA (SEAT-VAN)1995-20039
SHARAN/SYNCRO1995-20009, 13
Polo Classic 961995-19969
Golf 961995-199611
Golf Var./Vento 961995-199611
Audi A6/Wagon 961995-199618
TRANSPORTER SYNCRO1995-19959
Passat1994-19979, 13/30
Derby (MEX)1994-19969
Golf Cabrio1994-199611
Passat Var.syncro1994-19969, 13
Golf/Ecomatic 951994-199511
Golf Var./Vento 951994-199511
Audi A6/Wagon 951994-199518
Audi 90 qu. 951994-19959
Audi Coupe/31994-19959
Audi Cabrio.1993-19989
Golf/Var. syncro1993-199711
Jetta GLX 941993-199411
Audi 100/Wagon 941993-19948
Ibiza/Cordoba (SEAT)1992-19969
Transporter syncro1992-19959
Audi 90 qu.1992-19949
Audi 90 931992-19939
Audi 100/Wagon 931992-19938
TOLEDO SEAT1991-19966
GOLF/Ecomatic1991-199411
Passat syncro1991-19931
Passat1991-19939, 13
Corrado1989-19959
LT, LT 4x4 (28-55)1989-19955
Passat1989-19919, 13
Jetta1989-19919
AUDI COUPE/31988-19949
Golf/Jetta syn, Rallye1985-19919
POLO/COUPE/DERBY1981-199015
KAEFER (MEX.)1964-200316

Other markets (10)

VehicleYearsPos.QtyRemark
AUDI A6L CHINA1999-2005211
Eurovan1998-20039
Eurovan 981997-19989
POLO CLASS./PL. "ZA"1996-20039, 21
Golf/Jetta "USA","Mex"97>991996-199811
Eurovan1996-19979
Eurovan F>>70-T 961995-19959
Eurovan 951994-19959
Golf/Jetta "USA","MEX"93>961992-199611
Eurovan1991-19949

Platform / generic diagrams (3)

VehicleYearsPos.QtyRemark
3B0 platform21
6K0 platform211ADC,ADD
6K0 platform211AKL

Listed without a diagram position (2)

VehicleYearsPos.QtyRemark
TIPO 2 (MEX)1971-2001
Golf/Jetta "USA","MEX"89>921988-1992

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.