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Audi B5 A4 Quattro 1.8T Engine Parts & Accessories

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ES#2063654 - APRSECPRG-SRV - Security Lockout Service - *Sale only applies to purchases to ECU with 3 or 4 program options - APR - Audi Volkswagen

*Sale only applies to purchases to ECU with 3 or 4 program options Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
This upgrade must be performed at ECS Tuning's facility in Ohio.

Brand:
APR - Corporate Logo
ES#:
2063654
Mfg#:
APRSECPRG-SRV
In Stock
$59.00 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#2063651 - APRFCTB-SRV - Fault Code Erase And Throttle Body Alignment Service - *Sale only applies to purchases to ECU with 3 or 4 program options - APR - Audi Volkswagen

*Sale only applies to purchases to ECU with 3 or 4 program options Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
This upgrade must be performed at ECS Tuning's facility in Ohio.

Brand:
APR - Corporate Logo
ES#:
2063651
Mfg#:
APRFCTB-SRV
In Stock
$59.00 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#2628656 - 059919501KT2 -  Coolant Temperature Sensor With O-Ring & Clip - 4 Pin - Green sensor with square connector. - Genuine Volkswagen Audi - Audi

Green sensor with square connector. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Up to VIN 8D-X-500000, split is in the 1999 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2628656
Mfg#:
059919501KT2
Ships in 1-2 days
$58.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2143435 - 06B115611R - Engine Oil Dipstick - Keep an eye on your oil level - Vaico - Audi Volkswagen

Keep an eye on your oil level affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
From the 2000 model year

Brand:
Vaico - Corporate Logo
ES#:
2143435
Mfg#:
06B115611R
In Stock at Vendor
$6.53 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#9528 - 8D0121107C - Expansion Tank Hose - Connects the expansion tank to the hard water pipe - Gates - Audi Volkswagen

Connects the expansion tank to the hard water pipe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Gates - Corporate Logo
ES#:
9528
Mfg#:
8D0121107C
In Stock at Vendor
$11.52 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4858455 - 034-145-B006 - Turbocharger Installation Hardware Kit (Longitudinal) - Includes all gaskets and hardware for 1.8T K03/k04 turbos - 034Motorsport - Audi

Includes all gaskets and hardware for 1.8T K03/k04 turbos affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4858455
Mfg#:
034-145-B006
Back Ordered
$57.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2207691 - 03G103707 - Oil Level Sensor Cover Kit - Includes sensor hole cover, gasket, and retaining hardware - Genuine Volkswagen Audi - Audi Volkswagen

Includes sensor hole cover, gasket, and retaining hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2207691
Mfg#:
03G103707
Ships in 1-2 days
$59.99

This product was last offered at the strikethrough price on
02-24-2026

$56.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2090863 - 058905161B - Hall Sender - Priced Each - Measures cam position and relays it to the ECU - MTC - Audi Volkswagen

Measures cam position and relays it to the ECU affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
MTC - Corporate Logo
ES#:
2090863
Mfg#:
058905161B
Ships in 9 Business Days
$56.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#514001 - 038121119B - Thermostat O-Ring - Ensure a proper seal when installing your new thermostat. 50x4 - Victor Reinz - Audi Volkswagen

Ensure a proper seal when installing your new thermostat. 50x4 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Victor Reinz - Corporate Logo
ES#:
514001
Mfg#:
038121119B
In Stock at Vendor
$2.03 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3410037 - GE521671QDSPKT5 - B5 A4 1.8t Oil Change And Filter Kit - Engine code AEB up to VIN 8D-X-199999, split is in the 1999 model year (with the original oil pan). - Assembled By ECS - Audi

Engine code AEB up to VIN 8D-X-199999, split is in the 1999 model year (with the original oil pan). affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3410037
Mfg#:
GE521671QDSPKT5
In Stock
ON SALE!
Starting at $52.44 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#2812979 - 058903133D - Accessory Belt Tensioner - Keep your drive belt tight - Hamburg Tech - Audi Volkswagen

Keep your drive belt tight affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2812979
Mfg#:
058903133D
Ships in 1 Business Day
$55.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3407 - 8D0905351 - Ignition Control Module - Cure misfires and clear the check engine light - Beru - Audi

Cure misfires and clear the check engine light affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Engine code AEB - For vehicles with Hitachi style ICM

Brand:
Beru - Corporate Logo
ES#:
3407
Mfg#:
8D0905351
Ships in 1-2 days
$55.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2587165 - 06A121012G - Water Pump - Prevent overheating by keeping your coolant flowing. - Graf - Audi

Prevent overheating by keeping your coolant flowing. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Graf - Corporate Logo
ES#:
2587165
Mfg#:
06A121012G
Ships in 1-2 days
$57.99

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

$55.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4735200 - R83-GNH08300 - 83.00mm Piston Ring Kit - Priced Per Cylinder - Set of rings for one piston in 83mm size,  For Supertech pistons only. - Supertech - Audi Volkswagen

Set of rings for one piston in 83mm size, For Supertech pistons only. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supertech - Corporate Logo
ES#:
4735200
Mfg#:
R83-GNH08300
In Stock
$27.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2538532 - 026121041M - Water Pump Gasket - Ensure a proper seal when installing a new water pump - Victor Reinz - Audi Volkswagen

Ensure a proper seal when installing a new water pump affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Victor Reinz - Corporate Logo
ES#:
2538532
Mfg#:
026121041M
In Stock at Vendor
$14.99

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

$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#6482 - 06A919081J - Oil Pressure Switch - Black - Senses engine oil pressure for the ECU and warning light. 1.2-1.6 BAR - Meistersatz - Audi Volkswagen

Senses engine oil pressure for the ECU and warning light. 1.2-1.6 BAR affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
From the 2000 model year

Brand:
Meistersatz - Corporate Logo
ES#:
6482
Mfg#:
06A919081J
Ships in 1 Business Day
$6.99 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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