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Audi B8 RS5 4.2L

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Audi B8 RS5 4.2L Engine Parts & Accessories

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ECU Cover Securing Bolt - Priced Each

ES#470627 - N90731503 - ECU Cover Securing Bolt - Priced Each - 6x25 torx head bolt that secures the ECU cover - Genuine Volkswagen Audi - Audi

6x25 torx head bolt that secures the ECU cover

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
470627
Mfg#:
N90731503
In Stock
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Transmission Cooler Line

ES#2556749 - 8K0317825AL - Transmission Cooler Line - Connects directly to the lower radiator port - Genuine Volkswagen Audi - Audi

Connects directly to the lower radiator port

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2556749
Mfg#:
8K0317825AL
Ships in 6 Business Days
9% off MSRP

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

$284.99

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

$259.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Bolt Set - Priced Each

ES#2731916 - WHT001017KT - Cylinder Head Bolt Set - Priced Each - One set required per cylinder head - Genuine Volkswagen Audi - Audi

One set required per cylinder head

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2731916
Mfg#:
WHT001017KT
Ships in 1-2 days
$64.50 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Level Sensor

ES#2774316 - 03C907660AA - Oil Level Sensor - Located on the engine oil pan - Genuine Volkswagen Audi - Audi

Located on the engine oil pan

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2774316
Mfg#:
03C907660AA
Ships in 3 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.

$273.99

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

$254.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Piston Ring Set - Priced Each

ES#2079319 - 077198151P - Piston Ring Set - Priced Each - One set required per piston - Genuine Volkswagen Audi - Audi

One set required per piston

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2079319
Mfg#:
077198151P
Ships in 9 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.

$274.99

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

$251.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Kit

ES#3677887 - 079903137agktKT - Accessory Belt Kit - Belt service kit includes belt, tensioner, & hardware to keep your belt where it should be! - Assembled By ECS - Audi

Belt service kit includes belt, tensioner, & hardware to keep your belt where it should be! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3677887
Mfg#:
079903137AGKTKT
Back Ordered
$258.99

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

$251.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Crankshaft Seal

ES#4342806 - 079103051F - Rear Crankshaft Seal - Also referred to as the rear main seal - Febi - Audi Volkswagen

Also referred to as the rear main seal 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
4342806
Mfg#:
079103051F
Ships on Oct 2, 2026
Auto Notify
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Air Filter - Right

ES#2564812 - 8T0133844A - Engine Air Filter - Right - Keep your engine breathing fresh air - Genuine Volkswagen Audi - Audi

Keep your engine breathing fresh air

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2564812
Mfg#:
8T0133844A
Ships in 1-2 days
9% off MSRP

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

$90.99

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

$82.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Air Filter - Left

ES#2564811 - 8T0133843A - Engine Air Filter - Left - Keep your engine breathing fresh air - Genuine Volkswagen Audi - Audi

Keep your engine breathing fresh air

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2564811
Mfg#:
8T0133843A
Ships in 1-2 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.

$86.99

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

$79.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Upper Additional Radiator Bracket - Left

ES#2556711 - 8K0121259 - Upper Additional Radiator Bracket - Left - Provides mounting for the left side radiator - Genuine Volkswagen Audi - Audi

Provides mounting for the left side radiator

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2556711
Mfg#:
8K0121259
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.

$260.99

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

$238.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water Pipe - Supply

ES#284845 - 079121481P - Water Pipe - Supply - Connects the water pump to the engine - Genuine Volkswagen Audi - Audi

Connects the water pump to the engine

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
284845
Mfg#:
079121481P
Ships in 9 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.

$255.99

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

$237.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

MAP Sensor

ES#3537032 - 03C906051F - MAP Sensor - Manifold absolute pressure sensor, lets your ECU know how much air pressure is in your intake manifold / supercharger - Hamburg Tech - Audi Volkswagen Porsche

Manifold absolute pressure sensor, lets your ECU know how much air pressure is in your intake manifold / supercharger We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
3537032
Mfg#:
03C906051F
In Stock
Limited Qty Sale
$18.27

This product was last offered at the strikethrough price on
06-25-2026

$16.99 USD
Free Shipping
on orders $49 and up

MAP Sensor

ES#4940600 - 03C906051F - MAP Sensor - Manifold absolute pressure sensor, lets your ECU know how much air pressure is in your intake manifold / supercharger - Bremmen Parts - Audi Volkswagen

Manifold absolute pressure sensor, lets your ECU know how much air pressure is in your intake manifold / supercharger 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4940600
Mfg#:
03C906051F
In Stock
ON SALE! SAVE 14%
$15.99

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

$13.76 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Additional Water Pump Hose

ES#2556718 - 8K0121444A - Additional Water Pump Hose - Connects the additional water pump the the oil cooler and adapter line - Genuine Volkswagen Audi - Audi

Connects the additional water pump the the oil cooler and adapter line

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2556718
Mfg#:
8K0121444A
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.

$252.99

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

$231.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Service Kit - Premium

ES#3426751 - 12404KT4 - Oil Service Kit - Premium - Includes Redline Euro-Series synthetic oil, Mann filter, and drain plug washer - Assembled By ECS - Audi

Includes Redline Euro-Series synthetic oil, Mann filter, and drain plug washer 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3426751
Mfg#:
12404KT4
Ships in 9 Business Days
$230.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Oil Service Kit - With Magnetic Drain Plug

ES#205066 - B7rs4S43KSK0-30 - Oil Service Kit - With Magnetic Drain Plug - Includes everything you need for an engine oil service with ECS' own magnetic drain plug. - Assembled By ECS - Audi

Includes everything you need for an engine oil service with ECS' own magnetic drain plug. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
205066
Mfg#:
B7RS4S43KSK0-30
In Stock
$229.99 USD
Free Shipping
This product is lifetime replacement eligible Partial 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.

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