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Audi A4 Engine Parts & Accessories

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Cooling Flange Replacement Kit

ES#2770993 - 06D121132Ckt1 - Cooling Flange Replacement Kit - Cure the common coolant leak coming from the back of your engine compartment - Genuine Volkswagen Audi - Audi

Cure the common coolant leak coming from the back of your engine compartment

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2770993
Mfg#:
06D121132CKT1
Ships in 3 Business Days
$116.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Timing Belt Kit - Ultimate Plus

ES#5633 - 058198479 V2waf - Timing Belt Kit - Ultimate Plus - Our most complete timing belt kit with coolant - Assembled By ECS - Audi Volkswagen

Our most complete timing belt kit with coolant 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with AEB or ATW engine codes only.

Brand:
Assembled By ECS - Corporate Logo
ES#:
5633
Mfg#:
058198479 V2WAF
Back Ordered
ON SALE!
$488.99

This product was last offered at the strikethrough price on
08-13-2026

$467.96 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Performance Kevlar Reinforced Accessory Belt

ES#4661036 - 6PK1885 - Performance Kevlar Reinforced Accessory Belt - Our Red Kevlar accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. - ECS - Audi Volkswagen
ECS Tuning recommends this product.

Our Red Kevlar accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4661036
Mfg#:
6PK1885
In Stock
$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#2528895 - 06H121121L - Thermostat Housing - Plastic flange for the thermostat that connects to the water pump housing - Genuine Volkswagen Audi - Audi Volkswagen

Plastic flange for the thermostat that connects to the water pump housing For vehicles with Inzi water pumps

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2528895
Mfg#:
06H121121L
In Stock
11% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$47.78

This product was last offered at the strikethrough price on
10-02-2026

$42.52 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Speed Nut - Priced Each

ES#2857728 - 8E0805960 - Speed Nut - Priced Each - Install new hardware with your new parts - Vaico - Audi

Install new hardware with your new parts We Price Match - Give Us A Call or Chat!
Secures the front valance to the belly pan

Brand:
Vaico - Corporate Logo
ES#:
2857728
Mfg#:
8E0805960
In Stock
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Connecting Pipe

ES#1833471 - 06E131143AG - Connecting Pipe - Connects the two combi valves together - Genuine Volkswagen Audi - Audi

Connects the two combi valves together

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1833471
Mfg#:
06E131143AG
Ships in 3 Business Days
10% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$258.99

This product was last offered at the strikethrough price on
08-31-2026

$232.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator Relocation Kit

ES#4858154 - 034-102-1004 - Radiator Relocation Kit - The Radiator Relocation Kit is an integral component when swapping your B8/B8.5 A4/S4 Audi with the larger twin-turbo V8 engine. - 034Motorsport - Audi

The Radiator Relocation Kit is an integral component when swapping your B8/B8.5 A4/S4 Audi with the larger twin-turbo V8 engine. 2X Entries Into Our F80 M3 Sweepstakes
For vehicles doing an engine swap only, not intended for OE usage

Brand:
034Motorsport - Corporate Logo
ES#:
4858154
Mfg#:
034-102-1004
Ships in 3 Business Days
$465.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Throttle Body Assembly - Priced Each

ES#3551556 - 079133062C - Throttle Body Assembly - Priced Each - Includes the throttle position sensor - Hudson - Audi Volkswagen

Includes the throttle position sensor

Brand:
Hudson - Corporate Logo
ES#:
3551556
Mfg#:
079133062C
Ships in 1-2 days
$464.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Engine Mount - Left

ES#3194490 - 8R0199381G - Engine Mount - Left - Eliminate excessive engine vibrations - Lemforder - Audi

Eliminate excessive engine vibrations We Price Match - Give Us A Call or Chat!
From the 2013 model year

Brand:
Lemforder - Corporate Logo
ES#:
3194490
Mfg#:
8R0199381G
Ships in 2 Business Days
$92.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Pump

ES#2779677 - 06D145100H - Vacuum Pump - Generates vacuum when under positive pressure - Vaico - Audi Volkswagen

Generates vacuum when under positive pressure We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2779677
Mfg#:
06D145100H
Ships in 2 Business Days
$476.99

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

$463.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV) - (25mm)

ES#7845 - 06A129101F - Pressure Control Valve (PCV) - (25mm) - Located on the intake hose leading to the turbo inlet - Genuine Volkswagen Audi - Audi Volkswagen

Located on the intake hose leading to the turbo inlet Fits from VIN 8E-4-000 001 - Split is in the 2004 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
7845
Mfg#:
06A129101F
Ships in 1-2 days
6% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$123.99

This product was last offered at the strikethrough price on
10-02-2026

$115.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Heater Core

ES#452201 - 8K0898037A - Heater Core - Stop coolant loss and cure a fogged windshield - Genuine Volkswagen Audi - Audi

Stop coolant loss and cure a fogged windshield

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
452201
Mfg#:
8K0898037A
Ships in 5 Business Days
10% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$513.99

This product was last offered at the strikethrough price on
08-31-2026

$462.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Module

ES#3236064 - 77021089 - Water Pump Module - Includes the thermostat and gasket - Gates - Audi Volkswagen

Includes the thermostat and gasket

Brand:
Gates - Corporate Logo
ES#:
3236064
Mfg#:
77021089
Ships on Oct 22, 2026
$462.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor - 2 Pin

ES#2996744 - 06A919501A - Coolant Temperature Sensor - 2 Pin - Monitors coolant temperature for fan control & gauge readings. Includes gasket & securing clip - URO - Audi Volkswagen Porsche

Monitors coolant temperature for fan control & gauge readings. Includes gasket & securing clip 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
2-pin temperature sensor located in lower radiator hose

Brand:
URO - Corporate Logo
ES#:
2996744
Mfg#:
06A919501A
In Stock
$16.50 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Snub Mount

ES#2597997 - 001578ECS01A - Performance Snub Mount - Reduce driveline lash with a full polyurethane mount - ECS - Audi Volkswagen

Reduce driveline lash with a full polyurethane mount 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2597997
Mfg#:
001578ECS01A
In Stock
ON SALE! SAVE 25%
$76.99

This product was last offered at the strikethrough price on
06-13-2026

$57.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Valve - Priced Each

ES#2161 - 058109611EIT - Exhaust Valve - Priced Each - A non-sodium filled valve - Osvat - Audi Volkswagen

A non-sodium filled valve

Brand:
Osvat - Corporate Logo
ES#:
2161
Mfg#:
058109611EIT
Ships in 2 Business Days
$21.99 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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