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Audi B5 A4 FWD 1.8T

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Audi B5 A4 FWD 1.8T Crankshaft Parts

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Billet Aluminum Rear Main Seal

ES#4370260 - 034-202-6003 - Billet Aluminum Rear Main Seal - Permanent fix for that leaking rear main seal - 034Motorsport - Audi Volkswagen

Permanent fix for that leaking rear main seal Engine code AWM

Brand:
034Motorsport - Corporate Logo
ES#:
4370260
Mfg#:
034-202-6003
In Stock
$145.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Crankshaft Seal - With Flange

ES#1899281 - 06A103171A - Rear Crankshaft Seal - With Flange - Also referred to as the rear main seal - Elring - Audi Volkswagen

Also referred to as the rear main seal 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Engine code AWM

Brand:
Elring - Corporate Logo
ES#:
1899281
Mfg#:
06A103171A
In Stock
$51.99 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!
Crankshaft Seal

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

Allen/Hex Bolt - Priced Each

ES#4151982 - N90945002 - Allen/Hex Bolt - Priced Each - Install new hardware with your new parts. M7x21.5mm - Rein - Audi Volkswagen

Install new hardware with your new parts. M7x21.5mm 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4151982
Mfg#:
N90945002
In Stock
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Crankshaft Seal - With Flange

ES#279142 - 06A103171A - Rear Crankshaft Seal - With Flange - Also referred to as the rear main seal - Genuine Volkswagen Audi - Audi Volkswagen

Also referred to as the rear main seal Engine code AWM

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
279142
Mfg#:
06A103171A
Ships in 1-2 days
7% off MSRP

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

$146.99

This product was last offered at the strikethrough price on
07-29-2026

$136.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Mahle Motorsport Race Main Bearings - Set

ES#2918544 - MAH-VM1028 - Mahle Motorsport Race Main Bearings - Set - Mahle Motorsport/Vandervell Race Main Bearing Set for VW/Audi 4 Cylinder - Mahle - Audi Volkswagen

Mahle Motorsport/Vandervell Race Main Bearing Set for VW/Audi 4 Cylinder

Brand:
Mahle - Corporate Logo
ES#:
2918544
Mfg#:
MAH-VM1028
In Stock
$218.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Allen Bolt - Priced Each

ES#6012 - N10303607 - Allen Bolt - Priced Each - Install new hardware with your new parts. M8x16 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M8x16 Engine code AEB - Secures the crankshaft pulley. Engine code ATW - Secures the crankshaft pulley up to VIN 8D-Y-151000, split is in the 2000 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
6012
Mfg#:
N10303607
In Stock
3% off MSRP

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

$4.86

This product was last offered at the strikethrough price on
07-29-2026

$4.71 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ARP Main Stud Kit

ES#2623114 - 201-5001 - ARP Main Stud Kit - Build it once, and build it right! - ARP - Audi BMW Volkswagen

Build it once, and build it right! 2X Entries For Our 25th Anniversary Sweepstakes!
Fits later 06A block models only (AWM engine code)

Brand:
ARP - Corporate Logo
ES#:
2623114
Mfg#:
201-5001
In Stock
$119.99 USD
Free Shipping
on orders $49 and up
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
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Sprocket

ES#2506920 - 06A105209 - Crankshaft Sprocket - Located on the crankshaft to drive the oil pump - Genuine Volkswagen Audi - Audi Volkswagen

Located on the crankshaft to drive the oil pump Engine code AWM

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2506920
Mfg#:
06A105209
In Stock
$90.68 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Impulse Rotor

ES#4135797 - 050105189K - Impulse Rotor - Used by the crankshaft position sensor - Genuine Volkswagen Audi - Audi Volkswagen

Used by the crankshaft position sensor

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4135797
Mfg#:
050105189K
In Stock
7% off MSRP

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

$104.99

This product was last offered at the strikethrough price on
07-29-2026

$97.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Lightweight Crank Pulley - Black

ES#3184669 - 002480ECS01 - ECS Lightweight Crank Pulley - Black - Less rotational mass means more power - ECS - Audi Volkswagen

Less rotational mass means more power 10X Entries For Our 25th Anniversary Sweepstakes!

Engine codes AEB & ATW

Brand:
ECS - Corporate Logo
ES#:
3184669
Mfg#:
002480ECS01
In Stock
ON SALE! SAVE 29%
$166.99

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

$119.23 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ARP Main Stud Kit

ES#2526298 - 204-5402 - ARP Main Stud Kit - High strength ARP main stud kit for the earlier 058 block 1.8T engines - ARP - Audi Volkswagen

High strength ARP main stud kit for the earlier 058 block 1.8T engines 2X Entries For Our 25th Anniversary Sweepstakes!
Fits earlier 058 block models only (AEB/ATW engine codes)

Brand:
ARP - Corporate Logo
ES#:
2526298
Mfg#:
204-5402
In Stock at Vendor
$155.99

This product was last offered at the strikethrough price on
03-11-2026

$145.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Crankshaft Seal - With Flange

ES#2812994 - 06A103171A - Rear Crankshaft Seal - With Flange - Also referred to as the rear main seal - Hamburg Tech - Audi Volkswagen

Also referred to as the rear main seal We Price Match - Give Us A Call or Chat!
Engine code AWM

Brand:
Hamburg Tech - Corporate Logo
ES#:
2812994
Mfg#:
06A103171A
In Stock
$27.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Crankshaft Parts

The heart of your engine is the crankshaft. Keep it spinning freely with new OEM crankshaft bearings or upgrade with race-proven aftermarket performance crank bearings and crankshaft parts.

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Manufacturer names and/or part numbers are used only for identification purposes.

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