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Audi A4 Engine Parts & Accessories

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Oil Pressure Switch - 1.4 Bar

ES#2873350 - 068919081D - Oil Pressure Switch - 1.4 Bar - Senses low engine oil pressure - Febi - Audi Volkswagen

Senses low engine oil pressure 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Up to the 1999 model year

Brand:
Febi - Corporate Logo
ES#:
2873350
Mfg#:
068919081D
Back Ordered
$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt

Replaces your cracked or worn belt

Brand:
Optibelt - Corporate Logo
ES#:
3660877
Mfg#:
06L903137A
Back Ordered
$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Throttle Body Coolant Hose - left

ES#4818505 - 078121188B - Throttle Body Coolant Hose - left - Connects the coolant pipe to the throttle body - Bremmen Parts - Audi Volkswagen

Connects the coolant pipe to the throttle body 10X Entries For Our 25th Anniversary Sweepstakes!

Engine code ATQ

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818505
Mfg#:
078121188B
In Stock
Limited Qty Sale
$10.99

This product was last offered at the strikethrough price on
05-02-2026

$7.99 USD
Free Shipping
on orders $49 and up

Check Valve

ES#2815730 - 433862117 - Check Valve - Vacuum Non Return Valve - Hamburg Tech - Audi

Vacuum Non Return Valve We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2815730
Mfg#:
433862117
Ships in 1 Business Day
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler Hose - Supply

ES#3462987 - 06B121058S - Oil Cooler Hose - Supply - Connects the oil cooler to the hard water pipe - Hudson - Audi Volkswagen

Connects the oil cooler to the hard water pipe

Brand:
Hudson - Corporate Logo
ES#:
3462987
Mfg#:
06B121058S
Ships in 3 Business Days
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Throttle Body Gasket

ES#2575108 - 06F133073D - Throttle Body Gasket - Seals the throttle body to the intake manifold - Elwis - Audi Volkswagen

Seals the throttle body to the intake manifold

Brand:
Elwis - Corporate Logo
ES#:
2575108
Mfg#:
06F133073D
Ships in 4 Business Days
$8.99

This product was last offered at the strikethrough price on
05-07-2026

$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap

ES#2598116 - 8E0121321 - Expansion Tank Cap - Plastic pressure cap for expansion tank - Calorstat - Audi

Plastic pressure cap for expansion tank

Brand:
Calorstat - Corporate Logo
ES#:
2598116
Mfg#:
8E0121321
Back Ordered
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Allen Head Screw - Priced Each

ES#467961 - N10323104 - Allen Head Screw - Priced Each - M6x20 - Genuine Volkswagen Audi - Audi

M6x20

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
467961
Mfg#:
N10323104
Ships in 1 day
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cap Nut - Priced Each

ES#465892 - N0111214 - Cap Nut - Priced Each - Install new hardware with your new parts. M6 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M6

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
465892
Mfg#:
N0111214
Ships in 2 Business Days
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hex Bolt - Priced Each

ES#3471582 - N01024230 - Hex Bolt - Priced Each - Install new hardware with your new parts. M8x25 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M8x25 Secures the impulse rotor to the intake cam

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3471582
Mfg#:
N01024230
Ships in 2 Business Days
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sensor Retaining Clip - Priced Each

ES#2865558 - 025121142 - Sensor Retaining Clip - Priced Each - Secures the coolant temperature sensor in place - Febi - Audi Volkswagen

Secures the coolant temperature sensor in place 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2865558
Mfg#:
025121142
Ships on Oct 20, 2026
Auto Notify
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Bolt - Priced Each

ES#468688 - N10633603 - Bolt - Priced Each - Secures leak detection pump to the bracket. M4.8x13 - Genuine Volkswagen Audi - Audi

Secures leak detection pump to the bracket. M4.8x13

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
468688
Mfg#:
N10633603
Ships in 1 day
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

SuperTech Valve Spring Shim - Priced Each

ID:.570" / OD:1.140"/0.015" thick

Brand:
Supertech - Corporate Logo
ES#:
4735974
Mfg#:
SS-3042
Ships in 8 Business Days
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

EGR Valve Replacement Kit

ES#2766065 - 078131120KKT - EGR Valve Replacement Kit - Complete gasket and hardware to replace the EGR valve - Assembled By ECS - Audi

Complete gasket and hardware to replace the EGR valve 10X Entries For Our 25th Anniversary Sweepstakes!
Engine codes ATW

Brand:
Assembled By ECS - Corporate Logo
ES#:
2766065
Mfg#:
078131120KKT
In Stock
ON SALE! SAVE 27%
$20.99

This product was last offered at the strikethrough price on
05-02-2026

$15.36 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Filter - Priced Each

ES#251935 - 72199 - Oil Filter - Priced Each - Keep debris out of your oil and keep your engine running healthily - Bosch - Audi Volkswagen

Keep debris out of your oil and keep your engine running healthily 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Higher capacity filter

Brand:
Bosch - Corporate Logo
ES#:
251935
Mfg#:
72199
In Stock at Vendor
$14.99 USD
Free Shipping
on orders $49 and up

Thermostat - 80°C

ES#2813093 - 075121113D - Thermostat - 80C - Includes sealing O-Ring - Hamburg Tech - Audi Volkswagen

Includes sealing O-Ring We Price Match - Give Us A Call or Chat!
Lower temperature thermostat, stock is 87°C

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813093
Mfg#:
075121113D
Ships in 1 Business Day
$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Parts & Accessories

Whether you're maintaining or repairing your stock engine or looking for added horsepower, we have one of the most comprehensive inventories of engine parts and accessories for German cars. From hard engine parts like connecting rods, pistons, cylinder heads, short blocks, and engine timing parts to performance engine software upgrades; we have you covered.

Let us help you find the parts that fit your Audi

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