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Audi C5 A6 Quattro 2.7T

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Audi C5 A6 Quattro 2.7T Engine Parts & Accessories

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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!
Aluminum housing used on the B5 S4 - Commonly used as a factory upgrade for the OE plastic piece

Brand:
Assembled By ECS - Corporate Logo
ES#:
3659374
Mfg#:
07812112JKT4
Ships in 1 day
ON SALE!
$185.81 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Silicone Y-Pipe Hose Pair - RS4

ES#2864560 - 034-108-3000 - Silicone Y-Pipe Hose Pair - RS4 - Direct replica of OEM RS4 hoses, but in reinforced silicone for long life and abuse resistance - 034Motorsport - Audi

Direct replica of OEM RS4 hoses, but in reinforced silicone for long life and abuse resistance To be used with RS4 Y-pipe and inlet pipes only

Brand:
034Motorsport - Corporate Logo
ES#:
2864560
Mfg#:
034-108-3000
In Stock
$210.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

K03 Replacement Kit

ES#2730245 - 078145701Tkt - K03 Replacement Kit - Restore boost and get going - Assembled By ECS - Audi

Restore boost and get going 10X Entries For Our 25th Anniversary Sweepstakes!
For automatic transmission vehicles from the 2003 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2730245
Mfg#:
078145701TKT
Back Ordered
ON SALE!
$3136.99

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

$3104.43 USD
Free Shipping
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

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 1 Business Day
$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 both left & right sides - Up to the 2001 model year

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

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!

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

Camshaft / Crankshaft Seal - Priced Each

ES#253239 - 038103085C - Camshaft / Crankshaft Seal - Priced Each - PTFE design to stop oil leaks and prevent internal engine damage. 47x10x32 - Elring - Audi Volkswagen

PTFE design to stop oil leaks and prevent internal engine damage. 47x10x32 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Front seal from VIN 4B-2-040001, split is in the 2002 model year

Brand:
Elring - Corporate Logo
ES#:
253239
Mfg#:
038103085C
In Stock
$8.79 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

Expansion Tank Cap

ES#253082 - 3B0121321 - Expansion Tank Cap - Keep proper pressure in your coolant system - Genuine Volkswagen Audi - Audi Volkswagen

Keep proper pressure in your coolant system

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
253082
Mfg#:
3B0121321
In Stock
25% off MSRP

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

$39.59

This product was last offered at the strikethrough price on
03-25-2026

$29.67 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spark Plug (PFR6Q) - Priced Each

ES#7539 - pfr6q - Spark Plug (PFR6Q) - Priced Each - PFR6Q - Factory heat range plugs with platinum cores - NGK - Audi Volkswagen

PFR6Q - Factory heat range plugs with platinum cores We Price Match - Give Us A Call or Chat!

Brand:
NGK - Corporate Logo
ES#:
7539
Mfg#:
PFR6Q
In Stock
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

8100 X-Clean Engine Oil (5w-40) - 1 Liter

ES#261461 - 841611 - 8100 X-Clean Engine Oil (5w-40) - 1 Liter - 100% Synthetic engine oil specially designed around the demands of direct fuel injection engines. - Motul - Audi BMW Volkswagen

100% Synthetic engine oil specially designed around the demands of direct fuel injection engines.

Brand:
Motul - Corporate Logo
ES#:
261461
Mfg#:
841611
In Stock
10% off MSRP

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

$19.53

This product was last offered at the strikethrough price on
07-28-2026

$17.58 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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