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2003 Porsche 911 996 Carrera Coupe H6 3.6L

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2003 Porsche 911 996 Carrera Coupe H6 3.6L Engine Parts & Accessories

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Accessory Drive Belt Lower Deflection Roller

ES#4708226 - 99610211958 - Accessory Drive Belt Lower Deflection Roller - Located on the front of the engine between the intermediate shaft pulley and the A/C compressor pulley - URO - Porsche

Located on the front of the engine between the intermediate shaft pulley and the A/C compressor pulley 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat! For use on Tiptronic equipped vehicles only

Brand:
URO - Corporate Logo
ES#:
4708226
Mfg#:
99610211958
Back Ordered
$56.99 USD
Free Shipping
on orders $49 and up

Accessory Drive Belt Upper Deflection Roller

ES#4674675 - 99710211800 - Accessory Drive Belt Upper Deflection Roller - Located on the front of the engine between the A/C compressor and the tensioner pulley - Vaico - Porsche

Located on the front of the engine between the A/C compressor and the tensioner pulley We Price Match - Give Us A Call or Chat!
For use on manual transmission equipped models only

Brand:
Vaico - Corporate Logo
ES#:
4674675
Mfg#:
99710211800
Special Order: No Guaranteed ETA
$46.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Engine Crankcase Vent Valve

ES#4674525 - 99610702652 - Engine Crankcase Vent Valve - Air-Oil Separator - Vaico - Porsche

Air-Oil Separator We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4674525
Mfg#:
99610702652
Special Order: No Guaranteed ETA
$71.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Air Temperature Sensor

ES#2902483 - 99660611300 - Air Temperature Sensor - Located in the intake distributor - Vemo - Porsche

Located in the intake distributor

Brand:
Vemo - Corporate Logo
ES#:
2902483
Mfg#:
99660611300
Special Order: No Guaranteed ETA
$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Alternator Pulley

ES#4857995 - 99760315400 - Alternator Pulley - 6-groove, 56mm pulley with free wheel lock - Vemo - Porsche

6-groove, 56mm pulley with free wheel lock

Brand:
Vemo - Corporate Logo
ES#:
4857995
Mfg#:
99760315400
Special Order: No Guaranteed ETA
$36.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Belt Tensioner Roller With Protection Cap - Priced Each

Located on the front of the engine between the alternator pulley and the upper deflection pulley For use on manual transmission equipped models only

Brand:
Mubea - Corporate Logo
ES#:
3432416
Mfg#:
99710211700
Back Ordered
$260.36 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Center Radiator

Additional cooling for GT3, Boxster S, and Tiptronic cars For vehicles with Tiptronic transmission only

Brand:
Original Equipment Supplier - Corporate Logo
ES#:
2779824
Mfg#:
99610603751
Back Ordered
$336.99

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

$277.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

6.5 Liter Fluid Extractor

ES#2841122 - 011885SCH01A - 6.5 Liter Fluid Extractor - Extract all types of oils and fluids the easy way. Do your oil change without getting under your car! - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Extract all types of oils and fluids the easy way. Do your oil change without getting under your car! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
2841122
Mfg#:
011885SCH01A
In Stock
ON SALE! SAVE 16%
$106.99

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

$89.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Change Additive Package - Proline Engine Flush and Cera Tec Oil Treatment

ES#3675484 - CERATECFLUSHKT - Oil Change Additive Package - Proline Engine Flush and Cera Tec Oil Treatment - Recommended every oil change - A two step kit to flush contaminants before putting in fresh oil, and an additive to be added in with your new engine oil - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Recommended every oil change - A two step kit to flush contaminants before putting in fresh oil, and an additive to be added in with your new engine oil 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat! Recommended for vehicles model year 2000 and newer

Brand:
Liqui-Moly - Corporate Logo
ES#:
3675484
Mfg#:
CERATECFLUSHKT
In Stock
$56.99 USD
Free Shipping
on orders $49 and up

10.5 Liter Fluid Extractor

ES#4424004 - LCB446SCH - 10.5 Liter Fluid Extractor - Extract all types of oils and fluids the easy way with more capacity! Do your oil change without getting under the car with over 10 liters of fluid capacity. - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Extract all types of oils and fluids the easy way with more capacity! Do your oil change without getting under the car with over 10 liters of fluid capacity. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
4424004
Mfg#:
LCB446SCH
In Stock
ON SALE! SAVE 15%
$135.99

This product was last offered at the strikethrough price on
07-31-2026

$115.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Refill/Air Purge Tool

ES#2712734 - 003466SCH01 - Coolant Refill/Air Purge Tool - Refill your cooling system quickly and easily while avoiding airlock issues - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Refill your cooling system quickly and easily while avoiding airlock issues 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
2712734
Mfg#:
003466SCH01
Ships in 10 Business Days
Auto Notify
ON SALE! SAVE 20%
$109.99

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

$87.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Foxwell I70BT NEW Next Generation Diagnostic Tablet

ES#4736529 - i70BTFOX - Foxwell I70BT NEW Next Generation Diagnostic Tablet - Wireless connection, bi-directional control, and better hand-feel set the i70BT apart from the i70 module while maintaining the affordable cost for enthusiasts. - Schwaben by Foxwell - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Wireless connection, bi-directional control, and better hand-feel set the i70BT apart from the i70 module while maintaining the affordable cost for enthusiasts.

Brand:
Schwaben by Foxwell - Corporate Logo
ES#:
4736529
Mfg#:
I70BTFOX
In Stock
ON SALE! SAVE 25%
$479.99

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

$359.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cera Tec Oil Additive

ES#2788486 - 20002 - Cera Tec Oil Additive - Performance additive for longevity of metal engine/transmission components. 300mL - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Performance additive for longevity of metal engine/transmission components. 300mL 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
2788486
Mfg#:
20002
In Stock
29% off MSRP

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

$54.99

This product was last offered at the strikethrough price on
08-17-2026

$38.99 USD
Free Shipping
on orders $49 and up

Extended 5/8" (16mm) Magnetic Spark Plug Socket

ES#9340 - S-3858-125 - Extended 5/8" (16mm) Magnetic Spark Plug Socket - The perfect tool for deeply recessed 5/8-inch spark plugs - Schwaben - Audi BMW Volkswagen MINI Porsche
ECS Tuning recommends this product.

The perfect tool for deeply recessed 5/8-inch spark plugs 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
9340
Mfg#:
S-3858-125
In Stock
ON SALE! SAVE 25%
$25.99

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

$19.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

G13 Coolant - 5 Liter (1.32 Gallons)

ES#2748904 - G013A8J1G - G13 Coolant - 5 Liter (1.32 Gallons) - Lilac Pentofrost OE specification lifetime coolant - Pentosin - Audi Volkswagen Mercedes Benz Porsche

Lilac Pentofrost OE specification lifetime coolant

Brand:
Pentosin - Corporate Logo
ES#:
2748904
Mfg#:
G013A8J1G
In Stock
$44.99 USD
Free Shipping
on orders $49 and up

Professional Porsche Scan Tool

ES#3047975 - 018656SCH01A - Professional Porsche Scan Tool - Developed specifically for Porsche, connects through the OBDII diagnostic port. This tool features many OE level enhanced Porsche diagnostics. - Schwaben by Foxwell - Porsche
ECS Tuning recommends this product.

Developed specifically for Porsche, connects through the OBDII diagnostic port. This tool features many OE level enhanced Porsche diagnostics.

Brand:
Schwaben by Foxwell - Corporate Logo
ES#:
3047975
Mfg#:
018656SCH01A
In Stock
ON SALE! SAVE 30%
$228.99

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

$160.99 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.

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