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Volkswagen MK4 Engine Service & Maintenance Parts

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ES#3999021 - 20256 - Truck Series Oil Treatment - 500ml / 16.9oz - Engine Armor with MoS2 - Reduces friction and engine wear - Treats up to 7 Liters / 7.4 Quarts of Engine Oil - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Engine Armor with MoS2 - Reduces friction and engine wear - Treats up to 7 Liters / 7.4 Quarts of Engine Oil 10X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
3999021
Mfg#:
20256
In Stock
35% off MSRP

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

$22.99

This product was last offered at the strikethrough price on
06-08-2026

$14.99 USD
Free Shipping
on orders $49 and up
ES#4111 - 5304 - Denso Spark Plugs - Priced Each - Stock #5304, Plug #IK20, Iridium plugs - Denso - Audi Volkswagen

Stock #5304, Plug #IK20, Iridium plugs

Brand:
Denso - Corporate Logo
ES#:
4111
Mfg#:
5304
In Stock
$8.25 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#8034 - 5304-4 - Spark Plugs - Set Of Four - Keep your engine running strong with iridium core plugs. - Denso - Audi Volkswagen

Keep your engine running strong with iridium core plugs.

Brand:
Denso - Corporate Logo
ES#:
8034
Mfg#:
5304-4
In Stock
$33.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3969931 - 5078tbcKT - Throttle Body & Air-Intake Cleaner  - Improve response and mpgs! - CRC - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Improve response and mpgs! This item is classified as Hazardous Materials and requires special shipping and handling. We cannot ship this item out of the US or with priority shippi

Brand:
CRC
ES#:
3969931
Mfg#:
5078TBCKT
Ships in 5 Business Days
$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement
ES#264129 - 31-10016 - Pro Dry S Drop In Air Filter - Oil free gauze filter significantly improves airflow over stock paper media - AFE - Audi Volkswagen

Oil free gauze filter significantly improves airflow over stock paper media

Brand:
AFE - Corporate Logo
ES#:
264129
Mfg#:
31-10016
In Stock at Vendor
20% off MSRP

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

$95.00

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

$76.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2684744 - 101000035AH - Ignition Service Kit - Includes ignition coil, spark plugs, and spark plug wires - Assembled By ECS - Volkswagen

Includes ignition coil, spark plugs, and spark plug wires 10X Entries Into Our F80 M3 Sweepstakes
Vehicles manufactured in Germany up to model year 2001 will require the use of connector housing 4D0 973 725

Brand:
Assembled By ECS - Corporate Logo
ES#:
2684744
Mfg#:
101000035AH
Ships on Feb 18, 2027
ON SALE!
$473.99

This product was last offered at the strikethrough price on
10-28-2026

$455.65 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#1892080 - N0160276 - Oil Drain Plug Kit - Includes an aluminum sealing washer. M14x1.5 - Assembled By ECS - Audi Volkswagen Porsche

Includes an aluminum sealing washer. M14x1.5 10X Entries Into Our F80 M3 Sweepstakes
Replacement drain plug with washer for ECS Billet Aluminum Oil Filter Housings

Brand:
Assembled By ECS - Corporate Logo
ES#:
1892080
Mfg#:
N0160276
In Stock
ON SALE! SAVE 30%
$6.99

This product was last offered at the strikethrough price on
07-06-2026

$4.90 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4044435 - SPM100 - 13 Piece Spark Plug Socket Master Set - The only spark plug socket set you will ever need. - VIM Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

The only spark plug socket set you will ever need.

Brand:
VIM Tools - Corporate Logo
ES#:
4044435
Mfg#:
SPM100
Ships in 9 Business Days
$149.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2623151 - PP1389 - Performance Foam Air Filter - More air flow means more power! Direct replacement with long service life. - Pipercross - Audi Volkswagen

More air flow means more power! Direct replacement with long service life.

Brand:
Pipercross - Corporate Logo
ES#:
2623151
Mfg#:
PP1389
In Stock
Limited Qty Sale
$44.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2682272 - 1K0998262Q - Oxygen Sensor - Keep your engine running efficiently - Bosch - Audi Volkswagen

Keep your engine running efficiently We Price Match - Give Us A Call or Chat!
For vehicles with AEG engine code and VIN from VIN 9M-X-085 415, split is in model year 1999

Brand:
Bosch - Corporate Logo
ES#:
2682272
Mfg#:
1K0998262Q
In Stock at Vendor
$150.95

This product was last offered at the strikethrough price on
10-31-2026

$149.51 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4339583 - 06A905097 -  Ignition Coil Pack - Replace your cracked and mis-firing coilpack - Bremi - Volkswagen

Replace your cracked and mis-firing coilpack For vehicles with an AZG, AVH, BEV, or BBW engine code only

Brand:
Bremi - Corporate Logo
ES#:
4339583
Mfg#:
06A905097
Back Ordered
$103.99

This product was last offered at the strikethrough price on
10-31-2026

$87.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3022223 - 016836SCH02A - Spark Plug Boot Puller Straight - Assists with removal of difficult-to-reach spark plug boots - Schwaben - Volkswagen
ECS Tuning recommends this product.

Assists with removal of difficult-to-reach spark plug boots 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Schwaben - Corporate Logo
ES#:
3022223
Mfg#:
016836SCH02A
In Stock
ON SALE!
$29.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2680972 - G013A8J1GKT - Thermostat Replacement Kit - Maintain proper operating temperature with a new thermostat, housings and hardware - Genuine Volkswagen Audi - Volkswagen

Maintain proper operating temperature with a new thermostat, housings and hardware

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2680972
Mfg#:
G013A8J1GKT
Ships in 1 day
$435.49

This product was last offered at the strikethrough price on
08-31-2026

$426.14 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#2785600 - N90813202 - Oil Drain Plug - Includes crush washer. M14x1.5 - URO - Audi Volkswagen

Includes crush washer. M14x1.5 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2785600
Mfg#:
N90813202
In Stock
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#518030 - 022905715C -  Ignition Coil Pack - Priced Each - Supersedes 100K & 100N coil packs - Genuine Volkswagen Audi - Volkswagen

Supersedes 100K & 100N coil packs

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
518030
Mfg#:
022905715C
Ships in 1 Business Day
16% off MSRP

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

$98.99

This product was last offered at the strikethrough price on
11-05-2026

$82.99 USD
Free Shipping
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.

Let us help you find the parts that fit your Volkswagen

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

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