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Audi B5 A4 Quattro 1.8T

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Audi B5 A4 Quattro 1.8T Most Popular Parts

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Thermostat (87°C)

ES#544 - 050121113C - Thermostat (87C) - Prevent overheating and premature engine wear. Includes O-ring - Mahle-Behr - Audi Volkswagen

Prevent overheating and premature engine wear. Includes O-ring

Brand:
Mahle-Behr - Corporate Logo
ES#:
544
Mfg#:
050121113C
In Stock
$25.01

This product was last offered at the strikethrough price on
10-27-2026

$22.56 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

JE Performance Piston Set

ES#2794316 - JE18T242909 - JE Performance Piston Set - Includes rings, wire locks, and wrist pins - 81mm bore (stock), 8.5:1 CR, 86.4mm stroke (stock) - JE Piston - Audi Volkswagen

Includes rings, wire locks, and wrist pins - 81mm bore (stock), 8.5:1 CR, 86.4mm stroke (stock) *For use with 20mm wrist pin connecting rods*

Brand:
JE Piston - Corporate Logo
ES#:
2794316
Mfg#:
JE18T242909
Back Ordered
$899.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

JE Performance Piston Set

ES#3509366 - JE18T242926 - JE Performance Piston Set - Includes rings, wire locks, and wrist pins - 81.5mm bore (0.5mm overbore), 8.5:1 CR, 86.4mm stroke (stock) - JE Piston - Audi Volkswagen

Includes rings, wire locks, and wrist pins - 81.5mm bore (0.5mm overbore), 8.5:1 CR, 86.4mm stroke (stock) *For use with 20mm wrist pin connecting rods*

Brand:
JE Piston - Corporate Logo
ES#:
3509366
Mfg#:
JE18T242926
Back Ordered
$899.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

JE Performance Piston Set

ES#4849836 - 353830 - JE Performance Piston Set - Includes rings, wire locks, and wrist pins - 82mm bore (1mm overbore), 9.25:1 CR, 86.4mm stroke (stock) - JE Piston - Audi Volkswagen

Includes rings, wire locks, and wrist pins - 82mm bore (1mm overbore), 9.25:1 CR, 86.4mm stroke (stock) *For use with 20mm wrist pin connecting rods*

Brand:
JE Piston - Corporate Logo
ES#:
4849836
Mfg#:
353830
Back Ordered
$899.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump

ES#2794822 - 06A121011L - Water Pump - Featuring a metal impeller - URO - Audi Volkswagen

Featuring a metal impeller 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2794822
Mfg#:
06A121011L
In Stock
$44.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Timing Gear

ES#2765834 - 06A105263E - Crankshaft Timing Gear - Drives the timing belt from the crankshaft - Febi - Audi Volkswagen

Drives the timing belt from the crankshaft We Price Match - Give Us A Call or Chat!
Engine code AWM

Brand:
Febi - Corporate Logo
ES#:
2765834
Mfg#:
06A105263E
In Stock
$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Direct-Fit Catalytic Converter

ES#2616072 - 22960 - Direct-Fit Catalytic Converter - Keep your emissions in check - Magnaflow - Audi Volkswagen

Keep your emissions in check New York & Federal Compliant

Brand:
Magnaflow - Corporate Logo
ES#:
2616072
Mfg#:
22960
Back Ordered
$897.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Phenolic Big Port To Small Port Adapter kit

ES#2794391 - IEBAVA16 - Phenolic Big Port To Small Port Adapter kit - For vehicles with small port heads and large port intake manifold - Integrated Engineering - Audi Volkswagen

For vehicles with small port heads and large port intake manifold

Brand:
Integrated Engineering - Corporate Logo
ES#:
2794391
Mfg#:
IEBAVA16
Ships on Dec 1, 2026
$127.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Sunroof Wind Deflector

ES#2796445 - 4G5877651 - Sunroof Wind Deflector - Raises when the sunroof is open to reduce wind noise - Genuine Volkswagen Audi - Audi

Raises when the sunroof is open to reduce wind noise Avant models up to VIN 8D-X-199999, split is in the 1999 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2796445
Mfg#:
4G5877651
In Stock
Limited Qty Sale
$492.99

This product was last offered at the strikethrough price on
06-15-2026

$446.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Stage 3 Daily Clutch Kit

ES#3477643 - 70205ssosmfKT - Stage 3 Daily Clutch Kit - Designed for high-powered street cars while capable enough to handle the track. Conservatively rated at 395ft/lbs. - South Bend Clutch - Audi Volkswagen

Designed for high-powered street cars while capable enough to handle the track. Conservatively rated at 395ft/lbs.

Brand:
South Bend Clutch - Corporate Logo
ES#:
3477643
Mfg#:
70205SSOSMFKT
Ships in 1 Business Day
$891.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

COBB Knob - White Knob with Race Red Ring

ES#3096283 - 2V1350-W-RD - COBB Knob - White Knob with Race Red Ring - Lightweight Delrin knob for smooth and fast gear changes! - CobbTuning - Audi Volkswagen

Lightweight Delrin knob for smooth and fast gear changes!

Brand:
CobbTuning - Corporate Logo
ES#:
3096283
Mfg#:
2V1350-W-RD
Ships in 2 Business Days
$99.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Pick-Up Tube

ES#4766155 - 06B115251 - Oil Pick-Up Tube - Also referred to as the 'oil suction pipe' - Bremmen Parts - Audi Volkswagen

Also referred to as the 'oil suction pipe' 10X Entries Into Our F80 M3 Sweepstakes

Engine code AWM

Brand:
Bremmen Parts - Corporate Logo
ES#:
4766155
Mfg#:
06B115251
In Stock
ON SALE!
$26.99 USD
Free Shipping
on orders $49 and up

18" Style 010 Wheels - Set Of Four

ES#2695650 - 010-27KT - 18" Style 010 Wheels - Set Of Four - 18"x9" ET28 57.1CB 5x112 Silver with 2" Machined Lip - Alzor - Audi

18"x9" ET28 57.1CB 5x112 Silver with 2" Machined Lip 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Alzor - Corporate Logo
ES#:
2695650
Mfg#:
010-27KT
Ships on Dec 14, 2026
ON SALE!
$890.01 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Titanium Ball Seat Wheel Bolt - 14x1.5x45mm - Set Of 10

ES#3570219 - 025384ecs02-0410 - Titanium Ball Seat Wheel Bolt - 14x1.5x45mm - Set Of 10 - Lightweight, corrosion resistant, high performance lug bolts - ECS - Audi Volkswagen

Lightweight, corrosion resistant, high performance lug bolts 10X Entries Into Our F80 M3 Sweepstakes
Extended length bolts for use with 15mm to 17.5mm spacers

Brand:
ECS - Corporate Logo
ES#:
3570219
Mfg#:
025384ECS02-0410
In Stock
ON SALE! SAVE 20%
$208.99

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

$167.19 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ignition Switch

ES#370249 - 4B0905849 - Ignition Switch - Activates the main electrical systems in the vehicle - Genuine Volkswagen Audi - Audi Volkswagen

Activates the main electrical systems in the vehicle From VIN 8D-V-000001, split is in the 1997 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
370249
Mfg#:
4B0905849
Ships in 1 day
13% off MSRP

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

$127.99

This product was last offered at the strikethrough price on
10-26-2026

$110.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Hex Bolt - Priced Each

ES#469210 - N90130001 - Hex Bolt - Priced Each - Commonly used as main bearing bolts. M10x80 - Genuine Volkswagen Audi - Audi Volkswagen

Commonly used as main bearing bolts. M10x80 AWM engine code only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
469210
Mfg#:
N90130001
In Stock
Limited Qty Sale
$9.99

This product was last offered at the strikethrough price on
10-13-2026

$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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