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Volkswagen MK4 Engine Parts & Accessories

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Fault Code Erase And Throttle Body Alignment Service

ES#2063651 - APRFCTB-SRV - Fault Code Erase And Throttle Body Alignment Service - *Sale only applies to purchases to ECU with 3 or 4 program options - APR - Audi Volkswagen

*Sale only applies to purchases to ECU with 3 or 4 program options Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!
This upgrade must be performed at ECS Tuning's facility in Ohio.

Brand:
APR - Corporate Logo
ES#:
2063651
Mfg#:
APRFCTB-SRV
In Stock
$59.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Lower PCV Bleeder Valve Upgrade Kit

ES#5482584 - 06a103247KT7 - Lower PCV Bleeder Valve Upgrade Kit - Eliminate dangerous boost leaks and permanently fix your engine's most vulnerable vacuum path with this billet check valve and T-housing bundle. - Assembled By ECS - Audi Volkswagen

Eliminate dangerous boost leaks and permanently fix your engine's most vulnerable vacuum path with this billet check valve and T-housing bundle. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
5482584
Mfg#:
06A103247KT7
In Stock
$58.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Secondary Air Injection Hose - Outlet

ES#5434049 - 8L0133817 - Secondary Air Injection Hose - Outlet - Large pipe that is attached to the air pump and connecting pipe to the combi valve - Hamburg Tech - Audi Volkswagen

Large pipe that is attached to the air pump and connecting pipe to the combi valve For vehicles with manual transmission or 4-speed automatic transmission only

Brand:
Hamburg Tech - Corporate Logo
ES#:
5434049
Mfg#:
8L0133817
Ships in 2 Business Days
$58.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

APR High Flow Intake Filter

Flow-bench optimized to provide maximum performance with your factory intake system! Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
APR - Corporate Logo
ES#:
4690589
Mfg#:
RF100024
Ships in 5 Business Days
12% off MSRP

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

$66.99

This product was last offered at the strikethrough price on
08-18-2026

$58.99 USD
Free Shipping

Radiator Hose - upper

ES#2763696 - 1J0122101S - Radiator Hose - upper - From radiator to coolant flange - Febi - Volkswagen

From radiator to coolant flange 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with AEG engine code and factory air conditioning only

Brand:
Febi - Corporate Logo
ES#:
2763696
Mfg#:
1J0122101S
Ships in 1-2 days
$66.99

This product was last offered at the strikethrough price on
08-13-2026

$58.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose

ES#307287 - 1J0122157FE - Coolant Hose - Connects EGR cooler to heater core - Genuine Volkswagen Audi - Volkswagen

Connects EGR cooler to heater core For vehicles with BEW engine code only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
307287
Mfg#:
1J0122157FE
Ships in 1-2 days
6% off MSRP

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

$62.99

This product was last offered at the strikethrough price on
08-18-2026

$58.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

PCV Breather Hose

ES#2594303 - 06A103221BM - PCV Breather Hose - "S" shaped hose for crankcase venilation system - Original Equipment Supplier - Volkswagen

"S" shaped hose for crankcase venilation system For vehicles with AWP engine code with VIN from 1J-54013 539 only, split is in the 2005 model year

Brand:
Original Equipment Supplier - Corporate Logo
ES#:
2594303
Mfg#:
06A103221BM
Ships in 1-2 days
3% off MSRP

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

$61.00

This product was last offered at the strikethrough price on
08-18-2026

$58.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose

ES#307289 - 1J0122157FL - Coolant Hose - Connects EGR Cooler with the coolant flange - Genuine Volkswagen Audi - Volkswagen

Connects EGR Cooler with the coolant flange For vehicles with BEW engine code and manual transmission only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
307289
Mfg#:
1J0122157FL
Ships in 6 Business Days
6% off MSRP

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

$62.99

This product was last offered at the strikethrough price on
08-18-2026

$58.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Lower

ES#3194932 - 1J0122051R - Radiator Hose - Lower - From thermostat housing to radiator - Vaico - Volkswagen

From thermostat housing to radiator We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
3194932
Mfg#:
1J0122051R
Special Order: No Guaranteed ETA
$58.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Connecting Rod Bolt - Priced Each

Use new hardware with your new parts. M8x1x45 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with ALH engine code only

Brand:
Elring - Corporate Logo
ES#:
4034838
Mfg#:
028105425N
In Stock
ON SALE! SAVE 18%
$8.99

This product was last offered at the strikethrough price on
08-14-2026

$7.34 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Bolts - Set of 10

ES#2253 - 068103384A - Cylinder Head Bolts - Set of 10 - Complete kit of cylinder head bolts for your VW. - Ajusa - Volkswagen

Complete kit of cylinder head bolts for your VW. We Price Match - Give Us A Call or Chat!
For vehicles with ALH engine code only.

Brand:
Ajusa - Corporate Logo
ES#:
2253
Mfg#:
068103384A
Ships in 3 Business Days
$90.99

This product was last offered at the strikethrough price on
08-13-2026

$57.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Position Sensor

Also known as the RPM Sensor or Impulse Sensor

Brand:
Hitachi - Corporate Logo
ES#:
5396943
Mfg#:
022957147
Ships in 6 Business Days
$57.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vehicle Speed Sensor

ES#8539 - 191919149E - Vehicle Speed Sensor - Keep your speedometer operational with this replacement. - OE Aftermarket - Audi Volkswagen

Keep your speedometer operational with this replacement. For vehicles with manual transmission only

Brand:
OE Aftermarket - Corporate Logo
ES#:
8539
Mfg#:
191919149E
Ships in 1 day
$57.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt

ES#275301 - 038903137J - Accessory Belt - Replace your cracked or worn belt - Genuine Volkswagen Audi - Volkswagen

Replace your cracked or worn belt For vehicles with ALH engine code with air conditioning only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
275301
Mfg#:
038903137J
Ships in 8 Business Days
6% off MSRP

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

$61.99

This product was last offered at the strikethrough price on
08-18-2026

$57.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Position Sensor

ES#4006948 - 021957147 - Crankshaft Position Sensor - Impulse sensor or reference sensor - Facet - Volkswagen

Impulse sensor or reference sensor

Brand:
Facet - Corporate Logo
ES#:
4006948
Mfg#:
021957147
Back Ordered
$57.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Vent Tube

ES#3188716 - 46054 - Crankcase Vent Tube - Connects to the three way breather on the side of the valve cover - Dorman - Volkswagen

Connects to the three way breather on the side of the valve cover For vehicles with a VIN from 1J-4-009,844 split is in the 2004 model year

Brand:
Dorman - Corporate Logo
ES#:
3188716
Mfg#:
46054
Ships in 4 Business Days
$28.99 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.

Let us help you find the parts that fit your Volkswagen

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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