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Audi B5 A4 Quattro 1.8T Engine Parts & Accessories

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ES#4336943 - CTA3022 - Hi/Low Volt Circuit Tester - Tests high voltage in spark plugs, plug wires and distributor caps - CTA Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Tests high voltage in spark plugs, plug wires and distributor caps affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTA Tools - Corporate Logo
ES#:
4336943
Mfg#:
CTA3022
Ships on Jun 26, 2026
$7.12 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
2826274
Mfg#:
80001
Ships in 2 Business Days
$6.99 USD
Free Shipping
on orders $49 and up
ES#3022274 - PSSLTT - Locking Tool For Stainless Steel Zip Ties - Secure stainless steel zip ties with ease! - Prosport Performance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Secure stainless steel zip ties with ease! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Prosport Performance - Corporate Logo
ES#:
3022274
Mfg#:
PSSLTT
Ships in 5 Business Days
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3970169 - 5Q0121321 - Expansion Tank Cap - Black - Keep proper pressure in your coolant system - Meyle - Audi Volkswagen Porsche

Keep proper pressure in your coolant system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
3970169
Mfg#:
5Q0121321
Ships on Oct 20, 2026
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#6015 - n90561801 - Hose Clamp - Priced Each - Adjustable clamp used on various hoses in the engine bay. 16-28x9 - Genuine Volkswagen Audi - Audi Volkswagen

Adjustable clamp used on various hoses in the engine bay. 16-28x9 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Secures the oil cooler return hose on both sides

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
6015
Mfg#:
N90561801
In Stock
ON SALE! SAVE 34%
$5.99

This product was last offered at the strikethrough price on
02-11-2026

$3.94 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2942532 - KDT2979 - Dual End Scriber - Sharp, tempered point scribes metal - Gear Wrench - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Sharp, tempered point scribes metal affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Gear Wrench - Corporate Logo
ES#:
2942532
Mfg#:
KDT2979
Ships in 7 Business Days
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4212780 - SN0-806-BRD - 4AN "T" Fitting - 4AN T - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

4AN T affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4212780
Mfg#:
SN0-806-BRD
In Stock at Vendor
$10.99 USD
Free Shipping
on orders $49 and up
ES#2839901 - EL2710MMEYE - Rennline Eye Terminal End - 10mm - Priced Each - Copper crimpable terminal ends for custom battery and kill switch installations - Rennline - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Copper crimpable terminal ends for custom battery and kill switch installations affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Rennline - Corporate Logo
ES#:
2839901
Mfg#:
EL2710MMEYE
Ships in 6 Business Days
$10.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#261435 - 010202 - 14" Stainless Steel Locking Ties - Pack Of 4 - Secure the exhaust wrap with stainless steel ties - DEI - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Secure the exhaust wrap with stainless steel ties affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
DEI - Corporate Logo
ES#:
261435
Mfg#:
010202
Special Order: No Guaranteed ETA
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4337913 - CTAA195 - Anti-Freeze Tester - Tests all ethylene glycol solutions with radiator hot or cold - CTA Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Tests all ethylene glycol solutions with radiator hot or cold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTA Tools - Corporate Logo
ES#:
4337913
Mfg#:
CTAA195
Ships on Jun 26, 2026
$9.98 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

High-performance engine oil produced using HC synthetic oils with a wide area of application. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
ROWE - Corporate Logo
ES#:
5374167
Mfg#:
20163-0010-99
Ships in 8 Business Days
$8.99 USD
Free Shipping
on orders $49 and up
ES#2826275 - 80003 - Green LED - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
2826275
Mfg#:
80003
In Stock at Vendor
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3672033 - 3C0121321 - Expansion Tank Cap - Keep proper pressure in your coolant system - Stant - Audi Volkswagen Porsche

Keep proper pressure in your coolant system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Stant - Corporate Logo
ES#:
3672033
Mfg#:
3C0121321
Back Ordered
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3970073 - b1100031relief - Relief Valve For Media Blaster - Bav Auto Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bav Auto Tools - Corporate Logo
ES#:
3970073
Mfg#:
B1100031RELIEF
Special Order: No Guaranteed ETA
ON SALE! SAVE 25%
$7.99

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

$5.99 USD
Free Shipping
on orders $49 and up
ES#470353 - N90632103 - Hex Bolt - Priced Each - Install new hardware with your new parts. M6x35  - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M6x35 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Secures the air box to the right engine bay wall

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
470353
Mfg#:
N90632103
Ships in 1-2 days
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4882992 - 201-0361-GRN - Wire With Terminals For 90 Degree 6 Pin Bulkhead - Green - Purchase the wires you need for your electrical bulkhead fitting here. Featuring FEP wire pre-cut to 24" 18 Gauge wire with the appropriate terminal pre-crimped and ready to install! - Precision Raceworks - Audi BMW Volkswagen Mercedes Benz

Purchase the wires you need for your electrical bulkhead fitting here. Featuring FEP wire pre-cut to 24" 18 Gauge wire with the appropriate terminal pre-crimped and ready to install! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Precision Raceworks - Corporate Logo
ES#:
4882992
Mfg#:
201-0361-GRN
Ships in 10 Business Days
$3.99 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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