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Audi Differential Parts

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Billet Aluminum Rear Differential Mount Insert Kit

ES#4615420 - 034-505-2031 - Billet Aluminum Rear Differential Mount Insert Kit - Limits movement of factory rear diff mounts, increasing drivetrain rigidity and response! - 034Motorsport - Audi

Limits movement of factory rear diff mounts, increasing drivetrain rigidity and response!

Brand:
034Motorsport - Corporate Logo
ES#:
4615420
Mfg#:
034-505-2031
In Stock
$129.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

High Performance Oil For Haldex Coupling Unit

ES#12051 - G055175A2 - High Performance Oil For Haldex Coupling Unit - One bottle per service - VW / Audi recommends changing every 40k miles - Genuine Volkswagen Audi - Audi Volkswagen

One bottle per service - VW / Audi recommends changing every 40k miles

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
12051
Mfg#:
G055175A2
In Stock
$45.00 USD
Free Shipping
on orders $49 and up

Drain/Fill Plug - Priced Each

ES#467288 - N10037106 - Drain/Fill Plug - Priced Each - Removed to drain or fill your transmission/differential fluid. M22x1.5 - Genuine Volkswagen Audi - Audi Volkswagen

Removed to drain or fill your transmission/differential fluid. M22x1.5 Plug for rear differential, also replacement for check plug

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
467288
Mfg#:
N10037106
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.

$14.88

This product was last offered at the strikethrough price on
07-22-2026

$14.38 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Motylgear Manual Transmission / Differential Fluid (75w-90) - 1 Liter

ES#261389 - 317011 - Motylgear Manual Transmission / Differential Fluid (75w-90) - 1 Liter - Technosynthese Semi-synthetic high performance GL-4 / GL-5 gear oil specially recommended for hard to shift gearboxes - Motul - Audi BMW Volkswagen MINI Porsche

Technosynthese Semi-synthetic high performance GL-4 / GL-5 gear oil specially recommended for hard to shift gearboxes

Brand:
Motul - Corporate Logo
ES#:
261389
Mfg#:
317011
Back Ordered
10% off MSRP

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

$20.44

This product was last offered at the strikethrough price on
07-22-2026

$18.40 USD
Free Shipping
on orders $49 and up

Rear Differential Mount Insert Kit - Black

ES#4620269 - 8K0599381H - Rear Differential Mount Insert Kit - Black - Enhance your driving experience by filling the bushing void. - JH Motorsports - Audi

Enhance your driving experience by filling the bushing void.

Brand:
JH Motorsports - Corporate Logo
ES#:
4620269
Mfg#:
8K0599381H
In Stock
$58.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

JHM Helical Rear Limited Slip Differential

ES#4045950 - B6B7RearLSDMT - JHM Helical Rear Limited Slip Differential - Helical gears respond to changes in traction conditions very quickly - Improves traction and predictability of vehicle behavior: both rear wheels will spin at the same rate. - JH Motorsports - Audi

Helical gears respond to changes in traction conditions very quickly - Improves traction and predictability of vehicle behavior: both rear wheels will spin at the same rate. *Fitment confirmed in ETS, EXZ, & ETQ diff codes - Does not fit in some 2007+ differential cases - Please see fitment notes in product description for co

Brand:
JH Motorsports - Corporate Logo
ES#:
4045950
Mfg#:
B6B7REARLSDMT
Ships in 10 Business Days
$949.99 USD
Free Shipping
on orders $49 and up

Haldex Service Kit

ES#4056371 - G060175A2KT2KT4 - Haldex Service Kit - Includes fluid and drain/fill plug - Assembled By ECS - Audi Volkswagen

Includes fluid and drain/fill plug 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4056371
Mfg#:
G060175A2KT2KT4
In Stock
$62.99

This product was last offered at the strikethrough price on
03-09-2026

$48.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Rear Differential Carrier Mount Bushing Insert Kit

ES#3132752 - 018327ECS01 - Rear Differential Carrier Mount Bushing Insert Kit - Decrease differential slop for better drivetrain response! - ECS - Audi

Decrease differential slop for better drivetrain response! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3132752
Mfg#:
018327ECS01
Ships on Aug 17, 2026
Auto Notify
ON SALE! SAVE 25%
$113.99

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

$85.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Differential

ES#4782836 - 10-309-193WK - Rear Differential - Requires custom machining - Wavetrac - Audi Volkswagen

Requires custom machining

Brand:
Wavetrac - Corporate Logo
ES#:
4782836
Mfg#:
10-309-193WK
Ships in 2 Business Days
$1795.00 USD
Free Shipping
on orders $49 and up

Magnetic Rear Differential Drain Plug Kit

ES#4493108 - 034-504-Z021 - Magnetic Rear Differential Drain Plug Kit - Prevent excessive wear to the internal components of your rear differential - 034Motorsport - Audi Volkswagen

Prevent excessive wear to the internal components of your rear differential

Brand:
034Motorsport - Corporate Logo
ES#:
4493108
Mfg#:
034-504-Z021
In Stock
$36.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Quattro Ultra Service Kit

Includes Febi Fluid and Two (2) Drain/Fill Plugs 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
5445321
Mfg#:
G055515A2KT2
In Stock at Vendor
$52.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

ECS Magnetic Differential Oil Drain Plug - M16x1.5 - Priced Each

ES#4414249 - 017145LA01 - ECS Magnetic Differential Oil Drain Plug - M16x1.5 - Priced Each - Monitor the condition of your differential at each service and remove harmful metallic contaminants from imposing premature wear - ECS - Audi Volkswagen Porsche

Monitor the condition of your differential at each service and remove harmful metallic contaminants from imposing premature wear 10X Entries For Our 25th Anniversary Sweepstakes!

For axle code letter HNL, HNP, JKN

Brand:
ECS - Corporate Logo
ES#:
4414249
Mfg#:
017145LA01
Ships on Nov 6, 2026
Auto Notify
ON SALE! SAVE 25%
$41.99

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

$31.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

02Q Differential Bearing - Set

ES#3010294 - 10309175BK - 02Q Differential Bearing - Set - Bearing set for installation of LSD - Autotech - Audi Volkswagen

Bearing set for installation of LSD For vehicles with 02Q and MQ350 6-speed manual transmission only

Brand:
Autotech - Corporate Logo
ES#:
3010294
Mfg#:
10309175BK
In Stock
$169.95 USD
Free Shipping

Limited Slip Differential

ES#2836902 - 40309175WK - Limited Slip Differential - Put all your power to the ground! - Wavetrac - Audi Porsche

Put all your power to the ground! Fits 0A3 manual transmission models only

Brand:
Wavetrac - Corporate Logo
ES#:
2836902
Mfg#:
40309175WK
Ships in 2 Business Days
$1695.00 USD
Free Shipping

More About Differential Parts

Stock or limited-slip, we stock bearings, repair parts, complete differential units, and approved differential fluids so you can keep sending power to the axles without noise, harshness, or vibration.

Other Audi Differential Parts

Let us help you find the parts that fit your Audi

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