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Audi A4 Engine Parts & Accessories

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Radiator

ES#450285 - 8K0121251H - Radiator - Fix leaks and keep your cooling system efficient - Genuine Volkswagen Audi - Audi

Fix leaks and keep your cooling system efficient

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
450285
Mfg#:
8K0121251H
Ships in 1 day
18% off MSRP

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

$583.32

This product was last offered at the strikethrough price on
10-01-2026

$475.41 USD
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Timing Sprocket

ES#4508849 - 06H105209AT - Crankshaft Timing Sprocket - Toothed sprocket bolts to crankshaft - Drives the timing chain & oil pump - Hamburg Tech - Audi Volkswagen

Toothed sprocket bolts to crankshaft - Drives the timing chain & oil pump We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
4508849
Mfg#:
06H105209AT
In Stock
$33.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Throttle Body Assembly

ES#4057759 - 06E133062H - Throttle Body Assembly - Includes the throttle position sensor - VDO - Audi

Includes the throttle position sensor We Price Match - Give Us A Call or Chat!

Brand:
VDO - Corporate Logo
ES#:
4057759
Mfg#:
06E133062H
Ships in 1 Business Day
$475.14

This product was last offered at the strikethrough price on
07-24-2026

$474.97 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Bolt Set

ES#2549958 - 06D103385D - Cylinder Head Bolt Set - A full set to secure your cylinder head. M10x1.5x112 - Genuine Volkswagen Audi - Audi Volkswagen

A full set to secure your cylinder head. M10x1.5x112

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2549958
Mfg#:
06D103385D
In Stock
$104.99

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

$94.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mass Air Flow Sensor (MAF)

ES#2812926 - 037906461C - Mass Air Flow Sensor (MAF) - Restore fuel economy and performance - Hamburg Tech - Audi Volkswagen

Restore fuel economy and performance We Price Match - Give Us A Call or Chat!
From VIN 8D-W-080001, split is in the 1998 model year

Brand:
Hamburg Tech - Corporate Logo
ES#:
2812926
Mfg#:
037906461C
In Stock
Limited Qty Sale
$109.95

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

$94.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Belly Pan

ES#2499506 - 8E0863821AL - Front Belly Pan - Keep your engine protected - Bremmen Parts - Audi

Keep your engine protected 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
2499506
Mfg#:
8E0863821AL
Ships on Nov 24, 2026
ON SALE! SAVE 20%
$197.99

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

$158.30 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Guide Rail

ES#4689997 - 059109469E - Guide Rail - Guide rail that the center timing chain rides - Bremmen Parts - Audi

Guide rail that the center timing chain rides 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4689997
Mfg#:
059109469E
In Stock
ON SALE! SAVE 24%
$32.99

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

$24.99 USD
Free Shipping
on orders $49 and up

Banjo Bolt - Priced Each

ES#472235 - WHT000223 - Banjo Bolt - Priced Each - Used to secure the oil supply line to the turbocharger - Genuine Volkswagen Audi - Audi Volkswagen

Used to secure the oil supply line to the turbocharger

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
472235
Mfg#:
WHT000223
In Stock
5% off MSRP

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

$19.99

This product was last offered at the strikethrough price on
10-01-2026

$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Transmission Mount Screw (M8x60)

ES#468915 - N10724701 - Transmission Mount Screw (M8x60) - Bolts transmission mount to subframe - Genuine Volkswagen Audi - Audi

Bolts transmission mount to subframe

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
468915
Mfg#:
N10724701
In Stock
17% off MSRP

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

$5.99

This product was last offered at the strikethrough price on
10-01-2026

$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Leak Detection Pump

ES#3709117 - 8K0906253N - Leak Detection Pump - Tests the fueling system for leaks - Genuine Volkswagen Audi - Audi

Tests the fueling system for leaks From production date 3/6/2012

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3709117
Mfg#:
8K0906253N
Ships in 1 day
8% 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
10-01-2026

$236.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rubber Washer - Priced Each

ES#472659 - WHT002227 - Rubber Washer - Priced Each - Used in secure the belly pan. 3x25x1.5 - Genuine Volkswagen Audi - Audi

Used in secure the belly pan. 3x25x1.5

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
472659
Mfg#:
WHT002227
In Stock
$5.78 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Secondary Air Injection Pump

ES#4159245 - 079959231L - Secondary Air Injection Pump - Keep your engine running efficiently - Pierburg - Audi

Keep your engine running efficiently

Brand:
Pierburg - Corporate Logo
ES#:
4159245
Mfg#:
079959231L
Ships in 1 day
$745.99

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

$472.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expanding Nut - Priced Each

ES#422162 - 811807577C - Expanding Nut - Priced Each - Install new hardware with your new parts. - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. Used in securing the coolant expansion tank

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
422162
Mfg#:
811807577C
In Stock
$2.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Mount - Set Of Two

ES#2966474 - 8R0198381L - Engine Mount - Set Of Two - Set of engine mounts, retaining plates not included. - Hamburg Tech - Audi

Set of engine mounts, retaining plates not included. We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2966474
Mfg#:
8R0198381L
Ships in 1 Business Day
$235.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Lower

ES#2580402 - 8E0121049L - Radiator Hose - Lower - Connects the lower radiator port to the expansion tank and thermostat housing - Original Equipment Supplier - Audi

Connects the lower radiator port to the expansion tank and thermostat housing

Brand:
Original Equipment Supplier - Corporate Logo
ES#:
2580402
Mfg#:
8E0121049L
Back Ordered
1% off MSRP

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

$119.60

This product was last offered at the strikethrough price on
10-01-2026

$117.99 USD
Free Shipping

Roller Rocker Arm

ES#2631733 - 06E109409K - Roller Rocker Arm - Keep your lobes intact - Genuine Volkswagen Audi - Audi

Keep your lobes intact Exhaust rocker arm

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2631733
Mfg#:
06E109409K
Ships in 1 day
8% off MSRP

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

$63.99

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

$58.99 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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