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Audi D3 A8 Quattro W12 Engine Parts & Accessories

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ES#463404 - 8Z0129669A - Mounting Grommet - Priced Each - Keep your air box in place - Genuine Volkswagen Audi - Audi

Keep your air box in place affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
463404
Mfg#:
8Z0129669A
Ships in 7 Business Days
$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2815889 - 4H0951253A - Multipurpose Relay - Priced Each - Replacement 4-pin/40 amp relay - Hamburg Tech - Audi Volkswagen

Replacement 4-pin/40 amp relay affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2815889
Mfg#:
4H0951253A
Ships in 2 Business Days
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4027477 - N90813201 - Oil Drain Plug - Includes crush washer. M14x1.5 - Rein - Audi Volkswagen

Includes crush washer. M14x1.5 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4027477
Mfg#:
N90813201
Back Ordered
$3.99

This product was last offered at the strikethrough price on
05-07-2026

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2872480 - 8E0121321 - Expansion Tank Cap - Plastic pressure cap for expansion tank - Febi - Audi

Plastic pressure cap for expansion tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2872480
Mfg#:
8E0121321
In Stock at Vendor
$11.99

This product was last offered at the strikethrough price on
05-07-2026

$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3970648 - 8E0121321 - Expansion Tank Cap - Plastic pressure cap for expansion tank - Meyle - Audi

Plastic pressure cap for expansion tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
3970648
Mfg#:
8E0121321
Ships on Oct 27, 2026
$9.16 USD
Free Shipping
on orders $49 and up
ES#1831766 - 141951253B - Multipurpose Relay - Priced Each - Replacement 4-pin/40 amp relay - Meyle - Audi Volkswagen

Replacement 4-pin/40 amp relay affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
1831766
Mfg#:
141951253B
Ships in 5 Business Days
$8.98 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4066648 - 8E0121321 - Expansion Tank Cap - Hamburg Tech - Audi

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
4066648
Mfg#:
8E0121321
Ships in 2 Business Days
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2631538 - 357129625A - Mass Air Flow Sensor Gasket - Connects MAF to Air Cleaner. 79x6 - Vaico - Audi Volkswagen

Connects MAF to Air Cleaner. 79x6 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2631538
Mfg#:
357129625A
Special Order: No Guaranteed ETA
$7.32 USD
Free Shipping
on orders $49 and up
ES#2581816 - 8D0805960 - Speed Nut - Priced Each - Fits silver colored screws with attached washer - Original Equipment Supplier - Audi Volkswagen

Fits silver colored screws with attached washer affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Original Equipment Supplier - Corporate Logo
ES#:
2581816
Mfg#:
8D0805960
Ships in 2 Business Days
$2.03 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2102281 - 8E0121321 - Expansion Tank Cap - Plastic pressure cap for expansion tank - MTC - Audi

Plastic pressure cap for expansion tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
MTC - Corporate Logo
ES#:
2102281
Mfg#:
8E0121321
Back Ordered
$5.99 USD
Free Shipping
on orders $49 and up
ES#2771881 - 141951253B - Multipurpose Relay - Priced Each - Replacement 4-pin/40 amp relay - Hamburg Tech - Audi Volkswagen

Replacement 4-pin/40 amp relay affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2771881
Mfg#:
141951253B
Ships in 2 Business Days
$4.03 USD
Free Shipping
on orders $49 and up
ES#469873 - N90452704 - Washer Priced Each - This washer is sits between the engine and the engine mount - Genuine Volkswagen Audi - Audi

This washer is sits between the engine and the engine mount affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
469873
Mfg#:
N90452704
Special Order: No Guaranteed ETA
12% off MSRP

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

$3.38

This product was last offered at the strikethrough price on
06-16-2026

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#466268 - N01388413 - Tapping Screw - Priced Each - Install new hardware with your new parts. 4.8x13 - Genuine Volkswagen Audi - Audi

Install new hardware with your new parts. 4.8x13 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
466268
Mfg#:
N01388413
In Stock
ON SALE! SAVE 38%
$3.99

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

$2.48 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5444813 - D3W12OSKT2 - Oil Service Kit - Premium - With Magnetic Drain Plug - Includes Liqui Moly Leichtlauf oil, Hengst filter, and magnetic drain plug - Assembled By ECS - Audi

Includes Liqui Moly Leichtlauf oil, Hengst filter, and magnetic drain plug affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
5444813
Mfg#:
D3W12OSKT2
In Stock
ON SALE!
$172.23 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement
ES#5444811 - D3W12OSKT1 - Liqui Moly MolyGen - Oil Service Kit - Includes filter, standard drain plug, and Liqui Moly oil with MolyGen technology - Assembled By ECS - Audi

Includes filter, standard drain plug, and Liqui Moly oil with MolyGen technology affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
5444811
Mfg#:
D3W12OSKT1
In Stock
ON SALE! SAVE 20%
$188.99

This product was last offered at the strikethrough price on
05-16-2026

$151.71 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement
ES#4465114 - W12-6.0-1 - Unitronic Performance Software - Stage 1 - Gain up to 29 horsepower and 28 lb-ft of torque on 91 Octane - Unitronic - Audi Volkswagen

Gain up to 29 horsepower and 28 lb-ft of torque on 91 Octane affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next

Brand:
Unitronic - Corporate Logo
ES#:
4465114
Mfg#:
W12-6.0-1
In Stock
$900.00 USD
Free Shipping
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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Manufacturer names and/or part numbers are used only for identification purposes.

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