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Audi B8 Crankshaft Parts

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Billet Aluminum Rear Main Seal

ES#4370261 - 034-202-6004 - Billet Aluminum Rear Main Seal - Permanent fix for that leaking rear main seal - 034Motorsport - Audi Volkswagen

Permanent fix for that leaking rear main seal

Brand:
034Motorsport - Corporate Logo
ES#:
4370261
Mfg#:
034-202-6004
In Stock
ON SALE! SAVE 10%
$145.00

This product was last offered at the strikethrough price on
06-28-2026

$130.50 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

3.0T 207mm Supercharger Crank Pulley Upgrade Kit

ES#4883431 - 053844la01KT - 3.0T 207mm Supercharger Crank Pulley Upgrade Kit - "Dual pulley" gains without the hassle! Easily increase supercharger RPM by 22% and support up to 550HP. - ECS - Audi Volkswagen Porsche

"Dual pulley" gains without the hassle! Easily increase supercharger RPM by 22% and support up to 550HP. 10X Entries For Our 25th Anniversary Sweepstakes!
For use with OEM (63.25mm) Supercharger Pulley.
"Stage 2" Software Required for Compatibility

Brand:
ECS - Corporate Logo
ES#:
4883431
Mfg#:
053844LA01KT
In Stock
ON SALE! SAVE 20%
$419.99

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

$335.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

034 Billet Aluminum Rear Main Seal Upgrade - With Installation Tool & Sealant

ES#4608304 - 034-202-6004KT - 034 Billet Aluminum Rear Main Seal Upgrade - With Installation Tool & Sealant - Permanent fix for that leaking rear main seal. Includes recommended installation tool and Dirko sealant to complete the job. - Assembled By ECS - Audi Volkswagen

Permanent fix for that leaking rear main seal. Includes recommended installation tool and Dirko sealant to complete the job. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4608304
Mfg#:
034-202-6004KT
Ships on Sep 22, 2026
Auto Notify
$233.99

This product was last offered at the strikethrough price on
03-16-2026

$179.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Harmonic Damper Crankshaft Pulley

ES#2966553 - 551231 - Harmonic Damper Crankshaft Pulley - Provides broad range control of destructive crankshaft torsional vibration for optimum horsepower and durability - Fluidampr - Audi Volkswagen

Provides broad range control of destructive crankshaft torsional vibration for optimum horsepower and durability

Brand:
Fluidampr - Corporate Logo
ES#:
2966553
Mfg#:
551231
In Stock
$517.60 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi 3.0T Performance Overdrive Crank Pulley - 187.3mm

ES#4820683 - 025510ECS01 - Audi 3.0T Performance Overdrive Crank Pulley - 187.3mm - Spin the supercharger faster without affecting the accessory drive system - ECS - Audi Volkswagen Porsche

Spin the supercharger faster without affecting the accessory drive system 10X Entries For Our 25th Anniversary Sweepstakes!
10X Entries For Our Spin To Win Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4820683
Mfg#:
025510ECS01
In Stock
ON SALE! SAVE 25%
$344.99

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

$258.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

IE Audi 3.0T Crank Pulley Upgrade Kit - 207mm

ES#4491708 - IEBAVJ6 - IE Audi 3.0T Crank Pulley Upgrade Kit - 207mm - Increases boost for "dual pulley" tune power levels without replacing the press-on supercharger pulley for an easier install. - Integrated Engineering - Audi

Increases boost for "dual pulley" tune power levels without replacing the press-on supercharger pulley for an easier install. 5X Entries For Our 25th Anniversary Sweepstakes!
Requires stage 2 dual pulley ECU tune

Brand:
Integrated Engineering - Corporate Logo
ES#:
4491708
Mfg#:
IEBAVJ6
In Stock
$497.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

JHM HD Overdrive Lightweight Supercharger Crank Pulley (187mm)

ES#4045868 - 06E105251F-187mm - JHM HD Overdrive Lightweight Supercharger Crank Pulley (187mm) - Eliminates the problematic two-piece design and rubber isolator found in the stock crank pulley while reducing the mass of the motor's rotating assembly. - JH Motorsports - Audi Volkswagen Porsche

Eliminates the problematic two-piece design and rubber isolator found in the stock crank pulley while reducing the mass of the motor's rotating assembly. *To be used with 'Stage 2' software or software specific to a supercharger crank pulley upgrade*

Brand:
JH Motorsports - Corporate Logo
ES#:
4045868
Mfg#:
06E105251F-187MM
In Stock
$324.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Pulley With Hardware

ES#4414598 - 06e105251faKT - Crankshaft Pulley With Hardware - Includes a OE Crankshaft Pulley with the necessary install hardware. - Assembled By ECS - Audi

Includes a OE Crankshaft Pulley with the necessary install hardware. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4414598
Mfg#:
06E105251FAKT
In Stock
ON SALE!
$272.99

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

$267.05 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Crankshaft Seal - With Flange (Version B)

ES#3980771 - 06K103171G - Rear Crankshaft Seal - With Flange (Version B) - 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!

Brand:
Elring - Corporate Logo
ES#:
3980771
Mfg#:
06K103171G
In Stock
$50.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

JHM HD Overdrive Lightweight Supercharger Crank Pulley (207mm)

ES#4135769 - 06E105251F-207mm - JHM HD Overdrive Lightweight Supercharger Crank Pulley (207mm) - Eliminates the problematic two-piece design and rubber isolator found in the stock crank pulley while reducing the mass of the motor's rotating assembly. - JH Motorsports - Audi Volkswagen Porsche

Eliminates the problematic two-piece design and rubber isolator found in the stock crank pulley while reducing the mass of the motor's rotating assembly. *To be used with 'Stage 2' software or software specific to a supercharger crank pulley upgrade*

Brand:
JH Motorsports - Corporate Logo
ES#:
4135769
Mfg#:
06E105251F-207MM
Ships in 3 Business Days
$364.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Harmonic Balancer Kit

ES#4829980 - 06H105243KKT - Harmonic Balancer Kit - Includes Crank Pulley Bolt - Assembled By ECS - Audi Volkswagen

Includes Crank Pulley Bolt 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4829980
Mfg#:
06H105243KKT
In Stock
ON SALE! SAVE 24%
$180.99

This product was last offered at the strikethrough price on
05-29-2026

$137.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

3.0 TFSI Supercharger Crank Pulley Upgrade - 207mm

ES#4475467 - 034-145-Z053 - 3.0 TFSI Supercharger Crank Pulley Upgrade - 207mm - Increase supercharger rotational speed to provide more boost to your engine - 034Motorsport - Audi

Increase supercharger rotational speed to provide more boost to your engine *Stage 2 software required after install. See ES4266021

Brand:
034Motorsport - Corporate Logo
ES#:
4475467
Mfg#:
034-145-Z053
Ships in 2 Business Days
ON SALE! SAVE 10%
$503.00

This product was last offered at the strikethrough price on
06-28-2026

$452.70 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Bolt - Price Each

ES#471936 - N91118902 - Bolt - Price Each - Bolt for securing crank shaft/main bearings, ten required, m10x80 - Genuine Volkswagen Audi - Audi Volkswagen

Bolt for securing crank shaft/main bearings, ten required, m10x80

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
471936
Mfg#:
N91118902
In Stock
33% off MSRP

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

$9.58

This product was last offered at the strikethrough price on
07-19-2026

$6.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

CTS Turbo Supercharger Crank Pulley Upgrade - 187mm

ES#3438177 - CTS-HW-266-187 - CTS Turbo Supercharger Crank Pulley Upgrade - 187mm - Larger diameter pulley increases the speed at which the supercharger spins, increasing the boost pressure output - CTS - Audi Porsche

Larger diameter pulley increases the speed at which the supercharger spins, increasing the boost pressure output *NOTE: This kit must be used with appropriate "Stage 2" performance software.

Brand:
CTS - Corporate Logo
ES#:
3438177
Mfg#:
CTS-HW-266-187
Ships in 7 Business Days
ON SALE! SAVE 20%
$379.99

This product was last offered at the strikethrough price on
07-10-2026

$303.99 USD
Free Shipping
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.

Let us help you find the parts that fit your Audi

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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