VW MK4 1.8T Performance BOVs & Diverter Valves
Diverter valves live in a tough neighborhood. By definition diverter valves limit turbo boost, and in most cases eventually fail due to a pin hole sized tear in the valve diaphragm.
It's for this reason that ECS now supplies an unparalleled range of superb Performance Diverter & Blow Off Valves. All of the most prominent brands are represented - CTS, ECS, Forge, APR, HKS, and EuroSport kits all feature boost-hardy internals tough enough to take the pressure without blowing their lids.
Each unit works and plays well with your MK4 1.8T engine management system.
Blow off some steam
Fits:
VW 337/20th (2002 - 2003)
VW MK4 GTI 1.8T (1999 - 2005)
VW MK4 Jetta 1.8T (1999 - 2005)
Billet Diverter Valve
Keep your turbo boosting like it should
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Brand:
ES#:
2862879
Mfg#:
CTSDV0005
Diverter Valve - Black
Keep your turbo boosting like it should
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Brand:
ES#:
2917783
Mfg#:
DV20
Diverter Valve - Polished
Keep your turbo boosting like it should
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Brand:
ES#:
2917784
Mfg#:
DV25
Billet R1 Diverter Valve - Priced Each
Less maintenance, more boost
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Brand:
ES#:
8818
Mfg#:
DV100001
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Availability:
In Stock
In Stock
710N Diverter Valve - Priced Each
A great upgrade for stock to mildly tuned engines. Includes band clamps
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Brand:
ES#:
2804306
Mfg#:
06A145710NKT
008 Premium Diverter Valve - Anodized Black
Smaller, tougher and tuneable
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Brand:
ES#:
2224448
Mfg#:
FMDV008
Forge Supersize Recirculating Valve
Designed to offer extreme flow rates for highly modified turbocharger setups
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Brand:
ES#:
1832441
Mfg#:
FMDVSUPRC
DV Tuning Kit
Fine tune your Blow Off/Diverter Valve to the exact needs of your engine with this complete tuning kit.
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Brand:
ES#:
1832055
Mfg#:
FMDVTUN
Diverter Valve Relocation Kit - Black Hoses - (NO LONGER AVAILABLE)
Relocate the diverter valve from the hot side of the turbo to the cold side.
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Brand:
ES#:
261319
Mfg#:
FMDVRLK
No longer available
Diverter Valve Relocation Kit - Blue Hoses - (NO LONGER AVAILABLE)
Relocate the diverter valve from the hot side of the turbo to the cold side
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Brand:
ES#:
1832430
Mfg#:
FMDVRLKB
No longer available
Diverter Valve Relocation Kit - Red Hoses - (NO LONGER AVAILABLE)
Relocate the diverter valve from the hot side of the turbo to the cold side
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
1832431
Mfg#:
FMDVRLKR
No longer available
ECS Tuning HKS Blow Off Valve Adapter Flange Kit - (NO LONGER AVAILABLE)
Includes a plug for your factory diverter valve location
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Brand:
ES#:
2712762
Mfg#:
ECSBOVHKS
No longer available
HKS SS BOV Insert - Gold
Creates a aggressive BOV sound. Only fits HKS BOV
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Brand:
ES#:
2184
Mfg#:
1422-SA002
HKS SS BOV Insert - Purple
Creates a "Whoosh" noise instead of a whistle. Simple install on all HKS BOV's
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Brand:
ES#:
1572
Mfg#:
1422-SA001
HKS SSQV Blow Off Valve Kit For MKIV 1.8T - (NO LONGER AVAILABLE)
Add a unique tuner sound to your 1.8T Volkswagen
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Brand:
ES#:
121
Mfg#:
MK4ECSBOVKIT-A
No longer available
Splitter Valve - Polished
Recirculation & blow off valve all in one for customers that want both styles
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Brand:
ES#:
1832064
Mfg#:
FMDVSPLTRC
Splitter Valve - Black
Recirculation & blow off valve all in one for customers that want both styles
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Brand:
ES#:
8288
Mfg#:
FMDVSPLTR
Blow Off Valve - Polished
Made to mount on top of hard boost pipe. Vacuum port on top.
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Brand:
ES#:
1832067
Mfg#:
FMDV004C
Blow Off Valve - Polished
Made to mount on top of hard boost pipe. Side vacuum port.
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Brand:
ES#:
2765467
Mfg#:
FMDV004A
Blow Off Valve - Black
Made to mount on top of hard boost pipe
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Brand:
ES#:
1832068
Mfg#:
FMDV004
Blow Off Valve - Atmospheric
34mm weld on dual piston atmospheric blow off valve for custom installs
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Brand:
ES#:
1832445
Mfg#:
FMDVWO34C