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Audi B9 S4 Quattro 3.0T Engine Service & Maintenance Parts

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200 Credits - OBDeleven

ES#4839937 - 024871OBD12 - 200 Credits - OBDeleven - 200 Credits for you to unlock One-Click apps and modify your car! - OBDeleven - Audi BMW Volkswagen MINI

200 Credits for you to unlock One-Click apps and modify your car! These arrive on a scratch-off card with a code for you to activate on your OBDeleven device easily.

Brand:
OBDeleven - Corporate Logo
ES#:
4839937
Mfg#:
024871OBD12
In Stock
$34.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Relief Flush

ES#2608077 - 040202 - Radiator Relief Flush - Concentrated cleansing agent that effectively cleans your cooling system! - DEI - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Concentrated cleansing agent that effectively cleans your cooling system!

Brand:
DEI - Corporate Logo
ES#:
2608077
Mfg#:
040202
In Stock
$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Dry Air Filter Cleaner

ES#4696235 - 90-10601 - Dry Air Filter Cleaner - aFe MagnumFLOW Dry Air Filter Cleaner 32oz Spray Bottle - AFE - Audi BMW Volkswagen MINI

aFe MagnumFLOW Dry Air Filter Cleaner 32oz Spray Bottle

Brand:
AFE - Corporate Logo
ES#:
4696235
Mfg#:
90-10601
In Stock
22% off MSRP

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

$26.99

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

$21.00 USD
Free Shipping
on orders $49 and up

Serpentine Belt

ES#4714700 - 06M903137T - Serpentine Belt - Replace your worn belt today before it breaks - Gates - Audi

Replace your worn belt today before it breaks

Brand:
Gates - Corporate Logo
ES#:
4714700
Mfg#:
06M903137T
Ships in 1 Business Day
$34.99

This product was last offered at the strikethrough price on
05-01-2026

$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Ignition Service Kit

ES#4475295 - 06M905606F2KT - Performance Ignition Service Kit - Includes six Blue APR coil packs and OEM spark plugs to service your ignition system - Assembled By ECS - Audi

Includes six Blue APR coil packs and OEM spark plugs to service your ignition system 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4475295
Mfg#:
06M905606F2KT
In Stock
$438.05 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Drain Plug Sealing Washer - Priced Each

ES#466262 - N0138495 - Drain Plug Sealing Washer - Priced Each - Install new hardware with your new parts. 14x20 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. 14x20

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
466262
Mfg#:
N0138495
In Stock
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

APR Upgraded Ignition Coils - Blue - Set Of Six

ES#4164385 - MS100204-6KT - APR Upgraded Ignition Coils - Blue - Set Of Six - Designed to be a direct plug-and-play upgrade to factory coils, providing greater energy output, ensuring a stronger and more consistent spark! - APR - Audi

Designed to be a direct plug-and-play upgrade to factory coils, providing greater energy output, ensuring a stronger and more consistent spark! Call In Or Chat For Best Price!
CARB certified for sale in all 50 states

Brand:
APR - Corporate Logo
ES#:
4164385
Mfg#:
MS100204-6KT
EO#:
D-783-5
In Stock
ON SALE! SAVE 10%
$317.99

This product was last offered at the strikethrough price on
09-28-2026

$285.93 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hightec SYNTH RS SAE 5W-40 - 1 Liter

ES#4919993 - 20001-0010-99 - Hightec SYNTH RS SAE 5W-40 - 1 Liter - Fully synthetic, multi-grade, low-viscosity premium engine oil. - ROWE - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Fully synthetic, multi-grade, low-viscosity premium engine oil.

Brand:
ROWE - Corporate Logo
ES#:
4919993
Mfg#:
20001-0010-99
In Stock
$19.49 USD
Free Shipping
on orders $49 and up

OE+ Steel Oil Drain Plug - Priced Each

ES#2827074 - N91167901 - OE+ Steel Oil Drain Plug - Priced Each - Does not include the crush washer. M14x1.5 - Rein - Audi Volkswagen Porsche

Does not include the crush washer. M14x1.5 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2827074
Mfg#:
N91167901
In Stock
$4.58

This product was last offered at the strikethrough price on
04-16-2026

$4.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

100 Credits - OBDeleven

ES#4839936 - 024871OBD11 - 100 Credits - OBDeleven - 100 Credits for you to unlock One-Click apps and modify your car! - OBDeleven - Audi BMW Volkswagen MINI

100 Credits for you to unlock One-Click apps and modify your car! These arrive on a scratch-off card with a code for you to activate on your OBDeleven device easily.

Brand:
OBDeleven - Corporate Logo
ES#:
4839936
Mfg#:
024871OBD11
In Stock
Limited Qty Sale
$19.99

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

$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Oil (0w-20) - 1 Quart

ES#2847836 - 11804 - Engine Oil (0w-20) - 1 Quart - Designed to provide the highest protection, efficiency, cleanliness, and superior drain intervals - Redline - Audi Volkswagen

Designed to provide the highest protection, efficiency, cleanliness, and superior drain intervals

Brand:
Redline - Corporate Logo
ES#:
2847836
Mfg#:
11804
In Stock
$18.99 USD
Free Shipping
on orders $49 and up

Feeler Gauge Set

ES#2804279 - 8568A11 - Feeler Gauge Set - Feel thickness gauge, .002-.025 inch thickness - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Feel thickness gauge, .002-.025 inch thickness 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Schwaben - Corporate Logo
ES#:
2804279
Mfg#:
8568A11
In Stock
ON SALE!
$22.99

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

$21.84 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#4143385 - 8W1121405N - Coolant Expansion Tank - Includes integrated coolant level sensor - Genuine Volkswagen Audi - Audi

Includes integrated coolant level sensor

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4143385
Mfg#:
8W1121405N
In Stock
8% off MSRP

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

$213.99

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

$195.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt/Serpentine Belt Kit W/ Tensioners

ES#4699378 - 06M903137TKT - Accessory Belt/Serpentine Belt Kit W/ Tensioners - Keep your accessories running properly with new tensions and drive belts - Assembled By ECS - Audi

Keep your accessories running properly with new tensions and drive belts 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4699378
Mfg#:
06M903137TKT
Ships in 3 Business Days
$157.99

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

$155.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Reminder Sticker - Pack Of 10

ES#2808806 - 009012ecs0110KT - Oil Reminder Sticker - Pack Of 10 - Be sure to remind yourself when it will be time to order again from ECS Tuning - ECS - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Be sure to remind yourself when it will be time to order again from ECS Tuning 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2808806
Mfg#:
009012ECS0110KT
In Stock
ON SALE! SAVE 25%
$26.99

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

$20.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Service & Maintenance Parts

An ounce of prevention improves engine reliability and heads off big-ticket repairs. On average, the modest cost or periodic maintenance pays handsome rewards. Plan now to put your car on a regular schedule that includes fluid and filter changes, inspections, and recommended service.

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

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