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Audi A4 Engine Parts & Accessories

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Valve Cover Stud - Priced Each

ES#252395 - n90835802 - Valve Cover Stud - Priced Each - Used in securing the valve cover to the cylinder head. M6x35 - Genuine Volkswagen Audi - Audi Volkswagen

Used in securing the valve cover to the cylinder head. M6x35

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
252395
Mfg#:
N90835802
Ships in 1-2 days
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Oxygen Sensor - Priced Each

ES#319086 - 1K0998262F - Front Oxygen Sensor - Priced Each - Keep your engine running efficiently - Genuine Volkswagen Audi - Audi Volkswagen

Keep your engine running efficiently Fits left and right position

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
319086
Mfg#:
1K0998262F
Ships in 3 Business Days
8% off MSRP

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

$413.99

This product was last offered at the strikethrough price on
08-20-2026

$378.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

MAP Sensor Adapter Flange

ES#3137484 - 034-145-F015 - MAP Sensor Adapter Flange - MAP Sensor adapter flange for VW/Audi MAP sensors - Perfect for use when building your own intercooler plumbing - 034Motorsport - Audi Volkswagen

MAP Sensor adapter flange for VW/Audi MAP sensors - Perfect for use when building your own intercooler plumbing

Brand:
034Motorsport - Corporate Logo
ES#:
3137484
Mfg#:
034-145-F015
In Stock
ON SALE! SAVE 10%
$42.00

This product was last offered at the strikethrough price on
08-17-2026

$37.80 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler

ES#2862423 - 068117021BX - Oil Cooler - Common source of undiscoverable coolant leaks - Nissens - Audi Volkswagen

Common source of undiscoverable coolant leaks We Price Match - Give Us A Call or Chat!
Up to VIN 8D-X-300000, split is in the 1999 model year

Brand:
Nissens - Corporate Logo
ES#:
2862423
Mfg#:
068117021BX
Ships in 4 Business Days
$64.99

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

$62.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Oil Cap - Clear

ES#4165016 - VTT-VAG-OILCAPC - Billet Oil Cap - Clear - Billet aluminum oil cap to spice up your engine bay. - Vargas Turbo Technologies - Audi Volkswagen Porsche

Billet aluminum oil cap to spice up your engine bay. 2X Entries For Our 25th Anniversary Sweepstakes!
For vehicles up through the 2020 model year only

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
4165016
Mfg#:
VTT-VAG-OILCAPC
Back Ordered
Auto Notify
$62.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

A/C Condenser Fan

ES#372305 - 4B3959457 - A/C Condenser Fan - 200W - 280MM fan located in front of the AC condenser - Genuine Volkswagen Audi - Audi

200W - 280MM fan located in front of the AC condenser

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
372305
Mfg#:
4B3959457
Ships in 8 Business Days
8% off MSRP

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

$411.99

This product was last offered at the strikethrough price on
08-20-2026

$376.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Mass Air Flow Sensor

ES#279795 - 06A906473A - Mass Air Flow Sensor - Sensor only without housing - Genuine Volkswagen Audi - Audi

Sensor only without housing

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
279795
Mfg#:
06A906473A
Ships in 8 Business Days
7% off MSRP

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

$404.99

This product was last offered at the strikethrough price on
08-20-2026

$376.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Lower Connecting Rod Bearing - Priced Each

ES#280396 - 06D105701KGLB - Lower Connecting Rod Bearing - Priced Each - Lower portion of the bearing shell - Genuine Volkswagen Audi - Audi Volkswagen

Lower portion of the bearing shell

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280396
Mfg#:
06D105701KGLB
Ships in 1-2 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.

$51.99

This product was last offered at the strikethrough price on
08-20-2026

$46.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hoses Set For Audi B8/Porsche Macan Intercoolers

ES#4852246 - 137.11.06.137 - Hoses Set For Audi B8/Porsche Macan Intercoolers - Reduces prone failure / leakage of rubber hoses - Racing Dynamics - Audi Porsche

Reduces prone failure / leakage of rubber hoses

Brand:
Racing Dynamics - Corporate Logo
ES#:
4852246
Mfg#:
137.11.06.137
Ships in 6 Business Days
$125.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Carbon Fiber Intake Lid

ES#4316345 - IEINCK2 - Carbon Fiber Intake Lid - Add some style, class, and sporty look to your IE A4 or A5 2.0T Cold Air Intake with this direct-fit carbon fiber lid! - Integrated Engineering - Audi

Add some style, class, and sporty look to your IE A4 or A5 2.0T Cold Air Intake with this direct-fit carbon fiber lid! 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
4316345
Mfg#:
IEINCK2
Ships in 5 Business Days
$373.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Coolant Pipe

ES#280778 - 06E121045J - Cylinder Head Coolant Pipe - Coolant supply pipe for the cylinder heads - Genuine Volkswagen Audi - Audi

Coolant supply pipe for the cylinder heads

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280778
Mfg#:
06E121045J
In Stock
Limited Qty Sale
$205.99

This product was last offered at the strikethrough price on
06-15-2026

$186.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator Fan Control Module (600W)

ES#5341394 - 8K0959501G - Radiator Fan Control Module (600W) - Keep your cooling system operating properly - Bremmen Parts - Audi

Keep your cooling system operating properly 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
5341394
Mfg#:
8K0959501G
In Stock
ON SALE! SAVE 20%
$233.99

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

$186.86 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Pan Replacement Kit

ES#2602514 - 06B103601CGKT - Oil Pan Replacement Kit - Everything required to replace your leaking pan, including the oil change - Assembled By ECS - Audi

Everything required to replace your leaking pan, including the oil change 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2602514
Mfg#:
06B103601CGKT
Ships in 2 Business Days
ON SALE!
$373.69 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Accessory Belt Kit

ES#2581858 - 06D903137EKT - Accessory Belt Kit - Includes the tensioner assembly, accessory belt, relay roller and hardware - Genuine Volkswagen Audi - Audi

Includes the tensioner assembly, accessory belt, relay roller and hardware

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2581858
Mfg#:
06D903137EKT
Ships in 5 Business Days
$372.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Valve Cover - Right

ES#280592 - 06E103472L - Valve Cover - Right - Includes outer gasket - Genuine Volkswagen Audi - Audi

Includes outer gasket

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280592
Mfg#:
06E103472L
Ships in 5 Business Days
7% off MSRP

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

$401.67

This product was last offered at the strikethrough price on
08-20-2026

$372.69 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Injector Adapter Hat, Short To Tall - Set Of 4

ES#4858177 - 034-106-3022-4 - Injector Adapter Hat, Short To Tall - Set Of 4 - Price is for a set of 4 adapters. Includes injector o-ring seals. - 034Motorsport - Audi Volkswagen

Price is for a set of 4 adapters. Includes injector o-ring seals.

Brand:
034Motorsport - Corporate Logo
ES#:
4858177
Mfg#:
034-106-3022-4
Ships in 3 Business Days
ON SALE! SAVE 10%
$69.00

This product was last offered at the strikethrough price on
08-17-2026

$62.10 USD
Free Shipping
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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