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Audi A4 Engine Parts & Accessories

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HP Tuners PROLINK+ Cable

ES#4840618 - H021-002-06 - HP Tuners PROLINK+ Cable - Get access to even more vehicle data using PROLINK+ to wire in up to 2x analog signals and 1x CAN bus signal. Compatible with MPVI2+ and MPVI3 interfaces. - HP Tuners - Audi Volkswagen

Get access to even more vehicle data using PROLINK+ to wire in up to 2x analog signals and 1x CAN bus signal. Compatible with MPVI2+ and MPVI3 interfaces. For use with HP Tuners MPVI2+ and MPVI3 interfaces only.

Brand:
HP Tuners - Corporate Logo
ES#:
4840618
Mfg#:
H021-002-06
Ships on Dec 17, 2026
$60.99

This product was last offered at the strikethrough price on
05-12-2026

$49.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

IE Vent To Atmosphere Billet Catch Can - Universal Fitment

ES#2794762 - IEDIYUU18 - IE Vent To Atmosphere Billet Catch Can - Universal Fitment - Prevent crankcase oil fumes from condensing and filling your intake piping, turbo piping, intercooler, intake manifold, and breather system - Integrated Engineering - Audi BMW Volkswagen MINI

Prevent crankcase oil fumes from condensing and filling your intake piping, turbo piping, intercooler, intake manifold, and breather system

Brand:
Integrated Engineering - Corporate Logo
ES#:
2794762
Mfg#:
IEDIYUU18
Ships in 1 Business Day
$186.99 USD
Free Shipping

Schwaben Telescoping Round Mirror

ES#2843675 - 010772SCH01a - Schwaben Telescoping Round Mirror - Sometimes you just need to see what is around the corner - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Sometimes you just need to see what is around the corner 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Schwaben - Corporate Logo
ES#:
2843675
Mfg#:
010772SCH01A
In Stock
Limited Qty Sale
$23.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

10"x12" Shop Towels - Box of 200

ES#2944007 - KIM75190 - 10"x12" Shop Towels - Box of 200 - Center-pull box, 200 sheets per box of multi-purpose shop towels - Kimberly Clark - Audi BMW Volkswagen MINI Porsche

Center-pull box, 200 sheets per box of multi-purpose shop towels

Brand:
Kimberly Clark - Corporate Logo
ES#:
2944007
Mfg#:
KIM75190
In Stock
$38.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Camshaft Adjuster Socket

ES#3698309 - CTA1036 - Camshaft Adjuster Socket - Polydrive socket for the 2.0T camshaft adjuster securing bolt. - CTA Tools - Audi Volkswagen

Polydrive socket for the 2.0T camshaft adjuster securing bolt.

Brand:
CTA Tools - Corporate Logo
ES#:
3698309
Mfg#:
CTA1036
In Stock
$12.84 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thin Wall Oxygen Sensor Socket

ES#4001177 - CTA2064 - Thin Wall Oxygen Sensor Socket - Out of space? Use this thin wall socket. - CTA Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Out of space? Use this thin wall socket.

Brand:
CTA Tools - Corporate Logo
ES#:
4001177
Mfg#:
CTA2064
In Stock
$17.85 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Stage 3 Boost Cooler (EFI - Port Injection) - Nylon Line

ES#4144931 - SN0-310 - Stage 3 Boost Cooler (EFI - Port Injection) - Nylon Line - Brings true 2D mapped water-methanol injection delivery to your EFI (Electronic Fuel Injected) and forced induction vehicle - SnowPerformance - Audi BMW Volkswagen MINI

Brings true 2D mapped water-methanol injection delivery to your EFI (Electronic Fuel Injected) and forced induction vehicle

Brand:
SnowPerformance - Corporate Logo
ES#:
4144931
Mfg#:
SN0-310
In Stock at Vendor
29% off MSRP

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

$1020.99

This product was last offered at the strikethrough price on
11-06-2026

$729.99 USD
Free Shipping
on orders $49 and up

Spark Plug Socket 16MM 12 Point Swivel

ES#3604875 - CTA4329 - Spark Plug Socket 16MM 12 Point Swivel - Use for cars requiring Swivel Spark Plug Socket 16MM or brisk plugs 6 point - CTA Tools - Audi BMW Volkswagen MINI Porsche

Use for cars requiring Swivel Spark Plug Socket 16MM or brisk plugs 6 point

Brand:
CTA Tools - Corporate Logo
ES#:
3604875
Mfg#:
CTA4329
In Stock
$24.28 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

VW/Audi Oil Funnel Kit - 1.5T/2.0T Evo4

ES#4900409 - 1483KT - VW/Audi Oil Funnel Kit - 1.5T/2.0T Evo4 - Perfect funnel for a mess free oil change - CTA Tools - Audi Volkswagen

Perfect funnel for a mess free oil change For vehicles from the 2022 model year only

Brand:
CTA Tools - Corporate Logo
ES#:
4900409
Mfg#:
1483KT
In Stock
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Boost Cooler Stage 2.5 Progressive Water/Methanol Injection Kit - no tank

Unlock 50-70 HP on your boosted vehicle while decreasing your air temps by up to 100 degrees! Stainless Steel Braided Line, 4AN Fittings, no tank included!

Brand:
SnowPerformance - Corporate Logo
ES#:
4608739
Mfg#:
SN0-210-BRD-T
In Stock at Vendor
29% off MSRP

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

$962.99

This product was last offered at the strikethrough price on
11-06-2026

$687.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal Fan Mount Kit

ES#2764772 - MMFANMOUNT - Universal Fan Mount Kit - Through radiator mounts for custom applications - Mishimoto - Audi BMW Volkswagen MINI

Through radiator mounts for custom applications

Brand:
Mishimoto - Corporate Logo
ES#:
2764772
Mfg#:
MMFANMOUNT
In Stock
$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cloth Webbed Adhesive Tape - 10m

ES#10764 - 000979950 - Cloth Webbed Adhesive Tape - 10m - 19mm wide & 10m in length - Genuine Volkswagen Audi - Audi Volkswagen

19mm wide & 10m in length

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
10764
Mfg#:
000979950
Ships in 1-2 days
14% off MSRP

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

$43.99

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

$37.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap - Black

ES#3690266 - 5Q0121321 - Expansion Tank Cap - Black - Keep proper pressure in your coolant system - Vaico - Audi Volkswagen Porsche

Keep proper pressure in your coolant system We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
3690266
Mfg#:
5Q0121321
In Stock
$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal Air Filter - 5"F x 6-1/2"Bx 5-1/2"T (IM) x 5"H

ES#518600 - 24-91038 - Universal Air Filter - 5"F x 6-1/2"Bx 5-1/2"T (IM) x 5"H - AFE - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Brand:
AFE - Corporate Logo
ES#:
518600
Mfg#:
24-91038
In Stock
21% off MSRP

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

$77.99

This product was last offered at the strikethrough price on
05-27-2026

$62.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

OBDeleven Phone Holder - New Design

ES#4940035 - PH0NE-HOLDER-NEW - OBDeleven Phone Holder - New Design - Mounts to nearly any type of vent to allow for a safer viewing angle of your phone. - OBDeleven - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Mounts to nearly any type of vent to allow for a safer viewing angle of your phone.

Brand:
OBDeleven - Corporate Logo
ES#:
4940035
Mfg#:
PH0NE-HOLDER-NEW
In Stock
$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Lock Carrier Tool - M10

ES#4492729 - 01598SCH01 - Lock Carrier Tool - M10 - Extended lock carrier bolt to make extra room without removing the entire front end. - Schwaben - Audi Volkswagen

Extended lock carrier bolt to make extra room without removing the entire front end. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Schwaben - Corporate Logo
ES#:
4492729
Mfg#:
01598SCH01
In Stock
$12.99 USD
Free Shipping
on orders $49 and up
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.

Let us help you find the parts that fit your Audi

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

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