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Audi B5 S4 2.7T

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Audi B5 S4 2.7T Engine Parts & Accessories

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Timing Belt Kit - Ultimate With Gates Racing Timing Belt & Cam Locking Tool

ES#2777125 - 078198671kt - Timing Belt Kit - Ultimate With Gates Racing Timing Belt & Cam Locking Tool - Complete kit to service your timing belt, water pump, and thermostat - Assembled By ECS - Audi

Complete kit to service your timing belt, water pump, and thermostat 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2777125
Mfg#:
078198671KT
In Stock at Vendor
ON SALE! SAVE 14%
$619.99

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

$531.85 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Spark Plugs - Set Of Six

ES#2219721 - BKR7E - Spark Plugs - Set Of Six - Featuring a copper core and ideal for chip tuned vehicles - NGK - Audi

Featuring a copper core and ideal for chip tuned vehicles We Price Match - Give Us A Call or Chat!
One heat range colder than factory plugs - Beneficial to cars with basic performance upgrades

Brand:
NGK - Corporate Logo
ES#:
2219721
Mfg#:
BKR7E
In Stock
$48.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Pressure Gauge Kit

ES#5701 - 000198500BLK-A - Fuel Pressure Gauge Kit - Great for custom tuning and easily installs on the pressure line - ECS - Audi Volkswagen

Great for custom tuning and easily installs on the pressure line 10X Entries For Our 25th Anniversary Sweepstakes!

Only fits 2.7T's with rubber fuel lines. Some 2.7T's came with aluminum braided fuel lines & this kit will NOT fit those specific application.

Brand:
ECS - Corporate Logo
ES#:
5701
Mfg#:
000198500BLK-A
In Stock
ON SALE!
$67.99

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

$65.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Replacement Kit

ES#3659374 - 07812112jKT4 - Thermostat Replacement Kit - Keep your cooling system efficient with a new thermostat and housing - Assembled By ECS - Audi

Keep your cooling system efficient with a new thermostat and housing 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3659374
Mfg#:
07812112JKT4
Ships in 3 Business Days
ON SALE!
$185.81 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Engine Oil Dipstick - Silver Anodized

ES#3023199 - 009354ECS02-03 - Billet Engine Oil Dipstick - Silver Anodized - A more durable and aesthetically pleasing addition to your engine bay - ECS - Audi

A more durable and aesthetically pleasing addition to your engine bay 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3023199
Mfg#:
009354ECS02-03
In Stock
ON SALE! SAVE 25%
$90.99

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

$68.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Piston Ring Set - Priced Each

ES#2303 - 06B198151B - Piston Ring Set - Priced Each - One set required per piston - Goetze - Audi Volkswagen

One set required per piston

Brand:
Goetze - Corporate Logo
ES#:
2303
Mfg#:
06B198151B
In Stock
$51.76

This product was last offered at the strikethrough price on
07-15-2026

$47.33 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

RS4 K04 Turbochargers

ES#4164822 - 5304988002526KT3 - RS4 K04 Turbochargers - Includes the left (K04-025) & right (K04-026) side turbochargers - BorgWarner - Audi

Includes the left (K04-025) & right (K04-026) side turbochargers Does NOT include hardware or the RS4/modified intake pipes necessary for a complete install - For a bolt-on solution, please see 034Motorsport's inlet pipe kit 034-145-P002 (ES2864575).

Brand:
BorgWarner - Corporate Logo
ES#:
4164822
Mfg#:
5304988002526KT3
Ships in 2 Business Days
$3070.99

This product was last offered at the strikethrough price on
07-02-2026

$3067.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#2435 - 1K0998262AB - Oxygen Sensor - Priced Each - Keep your engine running efficiently - Bosch - Audi Volkswagen

Keep your engine running efficiently 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Fits left and right rear position

Brand:
Bosch - Corporate Logo
ES#:
2435
Mfg#:
1K0998262AB
In Stock at Vendor
$180.99

This product was last offered at the strikethrough price on
02-21-2026

$144.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

SXV T9302 Recirculating Bypass Valve

ES#4907811 - T9302 - SXV T9302 Recirculating Bypass Valve - Direct-fit performance solution for the weak factory diverter valve - Go Fast Bits - Audi Volkswagen Porsche

Direct-fit performance solution for the weak factory diverter valve

Brand:
Go Fast Bits - Corporate Logo
ES#:
4907811
Mfg#:
T9302
In Stock
$178.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

710N Diverter Valve - Priced Each

ES#2804306 - 06A145710NKT - 710N Diverter Valve - Priced Each - A great upgrade for stock to mildly tuned engines. Includes band clamps - Assembled By ECS - Audi Volkswagen

A great upgrade for stock to mildly tuned engines. Includes band clamps 10X Entries For Our 25th Anniversary Sweepstakes!
2 required

Brand:
Assembled By ECS - Corporate Logo
ES#:
2804306
Mfg#:
06A145710NKT
In Stock
ON SALE! SAVE 24%
$51.99

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

$39.73 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Timing Chain - Priced Each

ES#4689996 - 058109229B - Timing Chain - Priced Each - Connects the camshafts together around the tensioner - Bremmen Parts - Audi Volkswagen

Connects the camshafts together around the tensioner 10X Entries For Our 25th Anniversary Sweepstakes!

Fits left and right side

Brand:
Bremmen Parts - Corporate Logo
ES#:
4689996
Mfg#:
058109229B
In Stock
ON SALE! SAVE 20%
$26.99

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

$21.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Throttle Body Assembly - priced each

ES#2642177 - 079133062C - Throttle Body Assembly - priced each - Includes the throttle position sensor - Bosch - Audi Volkswagen

Includes the throttle position sensor 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2642177
Mfg#:
079133062C
In Stock
ON SALE! SAVE 39%
$976.99

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

$593.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Drop-In Fuel Pump Adapter Kit

ES#4007156 - 034-106-6001 - Billet Drop-In Fuel Pump Adapter Kit - This bracket adapts high-flow 39mm fuel pumps to be installed directly into the factory basket (AEM, Aeromotive, Walbro). - 034Motorsport - Audi

This bracket adapts high-flow 39mm fuel pumps to be installed directly into the factory basket (AEM, Aeromotive, Walbro).

Brand:
034Motorsport - Corporate Logo
ES#:
4007156
Mfg#:
034-106-6001
In Stock
$116.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor With O-Ring & Clip - 4 Pin

ES#2866095 - 059919501AS1 - Coolant Temperature Sensor With O-Ring & Clip - 4 Pin - Updated Green sensor with square/round connector. Please check existing sensor color - Febi - Audi Volkswagen

Updated <font color='green'>Green</font> sensor with square/round connector. Please check existing sensor color 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2866095
Mfg#:
059919501AS1
In Stock
$14.99 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.

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