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Audi B6 A4 Quattro 1.8T

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Audi B6 A4 Quattro 1.8T Engine Parts & Accessories

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Upper Radiator Mount - Priced Each

ES#2587497 - 4B3121276A - Upper Radiator Mount - Priced Each - Stabilizes the radiator within the core support - OE Aftermarket - Audi

Stabilizes the radiator within the core support

Brand:
OE Aftermarket - Corporate Logo
ES#:
2587497
Mfg#:
4B3121276A
Back Ordered
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Lower Radiator Mount - Priced Each

ES#2587495 - 4B3121275 - Lower Radiator Mount - Priced Each - Stabilizes the radiator within the core support - OE Aftermarket - Audi

Stabilizes the radiator within the core support

Brand:
OE Aftermarket - Corporate Logo
ES#:
2587495
Mfg#:
4B3121275
Back Ordered
$13.99

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

$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

THERMOSTAT ASSEMBLY 100C

ES#4151133 - 06B121111K - THERMOSTAT ASSEMBLY 100C - Rein - Audi

2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4151133
Mfg#:
06B121111K
Back Ordered
$111.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Supply Hose

ES#4039683 - 8E1819371P - Coolant Supply Hose - Supplies coolant to provide heat for the heater core - Vaico - Audi

Supplies coolant to provide heat for the heater core We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4039683
Mfg#:
8E1819371P
Special Order: No Guaranteed ETA
$67.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pressure Accumulator

ES#2885559 - 38129807 - Pressure Accumulator - Vaico - Audi Volkswagen

We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2885559
Mfg#:
38129807
Special Order: No Guaranteed ETA
$61.99

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

$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Pump Tensioner Kit (Includes Chain)

ES#4164493 - 06B115130C - Oil Pump Tensioner Kit (Includes Chain) - For the oil pump chain located at the bottom of the block - Includes chain - Vaico Q+ - Audi Volkswagen

For the oil pump chain located at the bottom of the block - Includes chain

Brand:
Vaico Q+ - Corporate Logo
ES#:
4164493
Mfg#:
06B115130C
Special Order: No Guaranteed ETA
$80.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Diverter Valve

ES#2878542 - 06A145710P - Diverter Valve - Cure the boost leak and restore power - Vaico Q+ - Audi Volkswagen

Cure the boost leak and restore power

Brand:
Vaico Q+ - Corporate Logo
ES#:
2878542
Mfg#:
06A145710P
Special Order: No Guaranteed ETA
$62.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Intercooler - Right

ES#2901763 - 8E0145806M - Intercooler - Right - Cools the charge air for your engine - Vemo - Audi

Cools the charge air for your engine

Brand:
Vemo - Corporate Logo
ES#:
2901763
Mfg#:
8E0145806M
Special Order: No Guaranteed ETA
$105.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Supertech Performance Valvetrain Upgrade Kit

This high-performance engine kit combines an upgraded dual-spring valvetrain, Inconel and nitrided valves, a top-end gasket set, and premium tri-metal race main bearings. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
5481342
Mfg#:
SPRK-AUDI18VKT
Back Ordered
$1702.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BorgWarner EFR 6258-G Turbo - 0.80 A/R, T4 Twin Scroll

EFR delivers quick boost response, powerful performance and reliable durability - 0.80 A/R, T4 Twin Flow Flange, 49mm Compressor Inducer Dia, 62mm Compressor Wheel O.D., 58mm Turbine Wheel O.D. *To be used with custom turbocharger applications only - T4 flange manifold, custom fueling, tuning/software, and internals necessary*

Brand:
BorgWarner - Corporate Logo
ES#:
4143465
Mfg#:
11589880036
Back Ordered
22% off MSRP

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

$3723.99

This product was last offered at the strikethrough price on
09-16-2026

$2898.99 USD
This product is lifetime replacement eligible Lifetime Replacement

K03 Turbocharger

Stock/OE replacement turbocharger, hardware not included For vehicles with BEX engine code only

Brand:
BorgWarner - Corporate Logo
ES#:
4381804
Mfg#:
06B145703B
Back Ordered
$1511.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Air Temperature Sensor

Mounted on the intake manifold

Brand:
Original Equipment Supplier - Corporate Logo
ES#:
4057424
Mfg#:
06B905379D
Back Ordered
$15.99

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

$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor - 2 Pin

Monitors coolant temperature for fan control & gauge readings 2-pin temperature sensor located in lower radiator hose

Brand:
SMP - Corporate Logo
ES#:
4057464
Mfg#:
06A919501A
Back Ordered
$32.99

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

$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Assembly

Includes housing, gasket & sensor

Brand:
SMP - Corporate Logo
ES#:
4070681
Mfg#:
06B121111K
Back Ordered
$135.99

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

$132.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Filter Adapter

With an integrated oil separator We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4865930
Mfg#:
06A115405BS
Special Order: No Guaranteed ETA
$332.99 USD
Free Shipping
on orders $49 and up

Molygen New Generation Engine Oil (5w-40) - 5 Liter

ES#3246016 - 20232 - Molygen New Generation Engine Oil (5w-40) - 5 Liter - Full synthetic oil with fluorescent, friction-reducing additive! - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Full synthetic oil with fluorescent, friction-reducing additive! 10X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
3246016
Mfg#:
20232
In Stock
43% off MSRP

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

$95.99

This product was last offered at the strikethrough price on
05-14-2026

$54.99 USD
Free Shipping
on orders $49 and up

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.

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Manufacturer names and/or part numbers are used only for identification purposes.

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