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Vaico Expansion Tank/Coolant Reservoir Seal; O-Ring; Cap Mount; 28.5x3.8mm | 1H0121687A

Audi A4 Quattro, A6 Quattro, Q7, Q5, A4, S4, A8 Quattro, TT Quattro, A3, A5 Quattro & more
VW Jetta, Passat, Golf, Beetle, GTI, Touareg, Rabbit, EuroVan, Tiguan, CC & more
In Stock Status
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Leaves warehouse within 1-2 business days.

Make Sure It Fits

P/N: 1H0121687A Vaico
O-Ring; Cap Mount; 28.5x3.8mm
Cross References:
  • 1H0121687
  • 1J0121687A
  • 357121687
  • V102598
  • W01331734036
  • Vaico V102598 coolant expansion tank o-ring
  • 28.3x3.9mm o-ring seals expansion tank cap to expansion tank
  • (1) per vehicle
  • Replaces split and crimped o-ring preventing the expansion tank cap to seal to the expansion tank and hold pressure
  • Vaico is a world leader in automotive spare parts, producing original equipment quality spare parts for both European and Asian vehicles
Left = Driver side and Right = Passenger side.
All parts are priced individually unless identified as a set or kit. "Per car" notes identify how many of a given part your car has and "Left/Right or Front/Rear" notes means the part fits the left or right side of the car. These parts are still sold individually and you'll need to select the appropriate quantity if you plan to replace more than one of this item.

Frequently Viewed Together

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What This Vaico Expansion Tank/Coolant Reservoir Seal Fits?

Application information below is for reference only and should not be used to determine the exact vehicle fitment. Please use the "Make Sure It Fits" vehicle selection box above to determine the exact fitment and review any application notes. If you need any help determining if this part works with your vehicle, please don't hesitate to contact us.

06-13 - A3 Base, TDI
97-12 - A4 , Avant, B5, B6, Base & more
97-12 - A4 Quattro Base, Avant, B5, B6, Cabriolet
10-12 - A5 Cabriolet
08-12 - A5 Quattro Base, Cabriolet
98-12 - A6 Base, Premium, Premium Plus
98-12 - A6 Quattro Base, Avant, Avant Turbo, Premium, Premium Plus & more
12-12 - A7 Quattro
04-12 - A8 Quattro Base, L, L W12
01-05 - Allroad Quattro
09-12 - Q5 Premium, Premium Plus, Prestige
07-12 - Q7 Base, Premium, Premium Plus, Prestige
11-12 - Q7 TDI Premium, TDI Premium Plus, TDI Prestige
Fuel Type: GAS
07-09 - RS4 Base, Cabriolet
03-04 - RS6
00-12 - S4 Base, Avant, Cabriolet
08-12 - S5 Base, Cabriolet
02-11 - S6 Base, Avant
07-09 - S8
98-14 - Beetle Base, 2.5, GLS TDI, GSR, R-Line & more
95-02 - Cabrio
95-02 - Cabrio
Lower ~ At Thermostat Cover
09-12 - CC Executive, Lux, Luxury, R-Line, Sport & more
90-95 - Corrado Base, SLC, VR6
07-12 - Eos 2.0T, 3.2, Base, Executive, Komfort & more
92-04 - EuroVan Base, Camper, CL, GL, GLS & more
90-06 - Golf Base, Celebration Edition, City, GL, GTI & more
93-98 - Golf Base, Celebration Edition, City, GL, GTI & more
Lower ~ At Thermostat Cover
06-06 - Golf IV GL, GLS, GLS TDI
99-99 - Golf MK3 GL, GTI
99-99 - Golf MK3 GL
Lower ~ 2.0L At Thermostat Cover
99-99 - Golf MK4 GL, GLS, GTI, TDI
06-12 - GTI Base, FAHRENHEIT
90-14 - Jetta Base, 2.0T, 2.5, Carat, Celebration Edition & more
93-98 - Jetta Celebration Edition, City, GL, GLS, GT & more
Lower ~ At Thermostat Cover
05-05 - Jetta IV Base, GLS, GLX, TDI, Turbo
99-99 - Jetta MK3 GL, GLS, GLX, TDI
99-99 - Jetta MK3 GL, GLS
Lower ~ 2.0L At Thermostat Cover