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Audi B5 Engine Mechanical Parts

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Cylinder Head Stud Set

ES#514326 - 204-4103 - Cylinder Head Stud Set - Convert to high strength head studs - ARP - Audi Volkswagen

Convert to high strength head studs 2X Entries For Our 25th Anniversary Sweepstakes!
Engine code AWM

Brand:
ARP - Corporate Logo
ES#:
514326
Mfg#:
204-4103
In Stock
$249.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

JE Performance Piston Set

ES#4338074 - JE-18T-242880 - JE Performance Piston Set - Includes rings, wire locks, and wrist pins - 81mm bore (stock), 9.25:1 CR, 86.4mm stroke (stock) - JE Piston - Audi Volkswagen

Includes rings, wire locks, and wrist pins - 81mm bore (stock), 9.25:1 CR, 86.4mm stroke (stock) *For use with 20mm wrist pin connecting rods*

Brand:
JE Piston - Corporate Logo
ES#:
4338074
Mfg#:
JE-18T-242880
Ships on Aug 4, 2026
$899.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi R8 Style Oil Cap

ES#4685902 - 420103485B - Audi R8 Style Oil Cap - Add new styling in minutes with this Audi R8 style oil cap - Bremmen Parts - Audi Volkswagen

Add new styling in minutes with this Audi R8 style oil cap 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4685902
Mfg#:
420103485B
In Stock
ON SALE! SAVE 14%
$34.99

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

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

Oil Pressure Check Valve - Priced Each

ES#4815715 - 059103175F - Oil Pressure Check Valve - Priced Each - Located under the cylinder block ventilation cover - URO - Audi

Located under the cylinder block ventilation cover 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4815715
Mfg#:
059103175F
In Stock
$66.99 USD
Free Shipping
on orders $49 and up

Oil Cooler

ES#3625894 - 068117021B - Oil Cooler - Common source of undiscoverable coolant leaks - URO - Audi Volkswagen

Common source of undiscoverable coolant leaks 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Up to VIN 8D-X-300000, split is in the 1999 model year

Brand:
URO - Corporate Logo
ES#:
3625894
Mfg#:
068117021B
In Stock at Vendor
$48.99

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

$47.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Forged H-Beam connecting rods

ES#2794385 - IERHVA1 - Forged H-Beam connecting rods - 144x20mm forged H-beam rods from Integrated Engineering. - Integrated Engineering - Audi Volkswagen

144x20mm forged H-beam rods from Integrated Engineering. 5X Entries For Our 25th Anniversary Sweepstakes!
*To be used with aftermarket pistons with 20mm wrist pins*

Brand:
Integrated Engineering - Corporate Logo
ES#:
2794385
Mfg#:
IERHVA1
In Stock
$542.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Long Reach Triple Square Driver Set - 6 Pieces

ES#9011 - s15-hbs1406t - Long Reach Triple Square Driver Set - 6 Pieces - Hard to find tools fit common German car fasteners - 1/2" Drive - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Hard to find tools fit common German car fasteners - 1/2" Drive 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
9011
Mfg#:
S15-HBS1406T
In Stock
ON SALE! SAVE 25%
$64.99

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

$48.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Bolt Set

ES#263801 - 204-3901 - Cylinder Head Bolt Set - High strength head bolts with a triple square head - ARP - Audi Volkswagen

High strength head bolts with a triple square head 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ARP - Corporate Logo
ES#:
263801
Mfg#:
204-3901
In Stock
$207.99

This product was last offered at the strikethrough price on
05-28-2026

$165.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Magnetic Oil Drain Plug Kit

ES#4499602 - 034-110-2000 - Billet Magnetic Oil Drain Plug Kit - Capture harmful particles to prevent wear. M14x1.5 - 034Motorsport - Audi Volkswagen MINI Porsche

Capture harmful particles to prevent wear. M14x1.5 Engine codes ATW & AWM. Engine code AEB from VIN 8D-X-200001, split is in the 1999 model year (or with the updated oil pan)

Brand:
034Motorsport - Corporate Logo
ES#:
4499602
Mfg#:
034-110-2000
In Stock
ON SALE! SAVE 10%
$22.00

This product was last offered at the strikethrough price on
06-28-2026

$19.80 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Crankshaft Seal - With Flange

ES#1899281 - 06A103171A - Rear Crankshaft Seal - With Flange - Also referred to as the rear main seal - Elring - Audi Volkswagen

Also referred to as the rear main seal 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Engine code AWM

Brand:
Elring - Corporate Logo
ES#:
1899281
Mfg#:
06A103171A
In Stock
$51.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Valvetrain Kit

ES#259702 - SPRK-AUDI18 - Performance Valvetrain Kit - Includes springs, retainers, and spring seats - Supertech - Audi Volkswagen

Includes springs, retainers, and spring seats

Brand:
Supertech - Corporate Logo
ES#:
259702
Mfg#:
SPRK-AUDI18
Back Ordered
Auto Notify
20% off MSRP

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

$784.99

This product was last offered at the strikethrough price on
07-18-2026

$628.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Aluminum Rear Main Seal

ES#4476472 - 034-202-6005 - Billet Aluminum Rear Main Seal - Permanent fix for that leaking rear main seal - 034Motorsport - Audi

Permanent fix for that leaking rear main seal

Brand:
034Motorsport - Corporate Logo
ES#:
4476472
Mfg#:
034-202-6005
In Stock
ON SALE! SAVE 10%
$240.00

This product was last offered at the strikethrough price on
06-28-2026

$216.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance valve spring/retainer kit

ES#2794712 - IEVTVA2 - Performance valve spring/retainer kit - High quality performance valve spings and titanium retainers - Integrated Engineering - Audi Volkswagen

High quality performance valve spings and titanium retainers 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
2794712
Mfg#:
IEVTVA2
Ships in 1 Business Day
$784.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Timing Chain - Priced Each

ES#252012 - 058109229B - Timing Chain - Priced Each - Connects the camshafts together around the tensioner - Iwis - Audi Volkswagen

Connects the camshafts together around the tensioner One per bank

Brand:
Iwis - Corporate Logo
ES#:
252012
Mfg#:
058109229B
In Stock
$58.51 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Valve Spring Compressor Kit

ES#2939852 - CTA2112 - Valve Spring Compressor Kit - Replaces valve springs and valve stem oil seals without the need to remove the cylinder head - CTA Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Replaces valve springs and valve stem oil seals without the need to remove the cylinder head

Brand:
CTA Tools - Corporate Logo
ES#:
2939852
Mfg#:
CTA2112
In Stock
$115.45 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Mechanical Parts

Whether you're repairing or upgrading your engine, we have engine parts from the most respected suppliers in the business. Purchase engine parts like connecting rods, valves, camshafts, cylinder heads, engine blocks, pistons, and more from ECS Tuning for your next engine repair or overhaul.

Let us help you find the parts that fit your Audi

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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