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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 Cooling Parts

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Schwaben Radiator/ Intercooler / Oil Cooler Fin Comb

ES#2971417 - 015326SCH01A - Schwaben Radiator/ Intercooler / Oil Cooler Fin Comb - Straighten bent radiator or intercooler fins that block air flow - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Straighten bent radiator or intercooler fins that block air flow 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
2971417
Mfg#:
015326SCH01A
In Stock
ON SALE! SAVE 29%
$20.99

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

$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

160F Low Temperature Thermostat - Insert Only

ES#3130914 - 106-06.1 - 160F Low Temperature Thermostat - Insert Only - Prevent hot spots inside your engine that can result in cracked heads and cylinder failures! - LN Engineering - Porsche

Prevent hot spots inside your engine that can result in cracked heads and cylinder failures! Requires 106-06.2 Thermostat Installation/Removal Tool

Brand:
LN Engineering - Corporate Logo
ES#:
3130914
Mfg#:
106-06.1
Ships in 5 Business Days
$99.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

8 Piece Fluid Line Stopper Kit

ES#2748908 - 005939SCH01A - 8 Piece Fluid Line Stopper Kit - This kit contains 2 of each size Shark type clamps designed to make a temporary seal on the end of an open line. Includes clamps with 5/16",3/8" and 1/2" open slot. Also contains double seal clamps for banjo style fittings. - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

This kit contains 2 of each size Shark type clamps designed to make a temporary seal on the end of an open line. Includes clamps with 5/16",3/8" and 1/2" open slot. Also contains double seal clamps for banjo style fittings. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
2748908
Mfg#:
005939SCH01A
In Stock
ON SALE! SAVE 23%
$54.99

This product was last offered at the strikethrough price on
04-26-2026

$42.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Housing And Impeller

ES#2539046 - 99610601156 - Water Pump Housing And Impeller - Gasket sold separately - Pierburg - Porsche

Gasket sold separately

Brand:
Pierburg - Corporate Logo
ES#:
2539046
Mfg#:
99610601156
Ships in 2 Business Days
5% off MSRP

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

$359.49

This product was last offered at the strikethrough price on
03-20-2026

$341.72 USD
Free Shipping
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

Coolant Expansion Tank Cap

ES#1483277 - 99610644704 - Coolant Expansion Tank Cap - Cap for plastic expansion tank - Genuine Porsche - Porsche

Cap for plastic expansion tank

Brand:
Genuine Porsche - Corporate Logo
ES#:
1483277
Mfg#:
99610644704
Ships in 3 Business Days
5% off MSRP

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

$35.35

This product was last offered at the strikethrough price on
08-04-2026

$33.63 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Stop-Leak - 250mL

ES#3514566 - 20132 - Radiator Stop-Leak - 250mL - Put a stop to that coolant leak! - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Put a stop to that coolant leak! 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
3514566
Mfg#:
20132
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.

$16.99

This product was last offered at the strikethrough price on
08-16-2026

$11.99 USD
Free Shipping
on orders $49 and up

Radiator - Right

ES#2642604 - 99610613251 - Radiator - Right - Standard replacement radiator - Mahle-Behr - Porsche

Standard replacement radiator

Brand:
Mahle-Behr - Corporate Logo
ES#:
2642604
Mfg#:
99610613251
In Stock at Vendor
$370.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Mishimoto Liquid Chill Radiator Coolant Additive - 4oz

ES#2764643 - MMRALC - Mishimoto Liquid Chill Radiator Coolant Additive - 4oz - Pairs with all types of coolant to increase heat transfer and decrease engine temps. - Mishimoto - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Pairs with all types of coolant to increase heat transfer and decrease engine temps.

Brand:
Mishimoto - Corporate Logo
ES#:
2764643
Mfg#:
MMRALC
Ships in 3 Business Days
$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Aluminum Radiator - priced each

ES#2992647 - 7044 - Aluminum Radiator - priced each - Lower engine temperatures mean more power and longer life of engine components! Fits left or right side - CSF - Porsche

Lower engine temperatures mean more power and longer life of engine components! Fits left or right side 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
CSF - Corporate Logo
ES#:
2992647
Mfg#:
7044
Ships in 3 Business Days
$545.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water Pump

ES#2918729 - 99610601157 - Water Pump - Water pump housing and impeller without gasket - Genuine Porsche - Porsche

Water pump housing and impeller without gasket

Brand:
Genuine Porsche - Corporate Logo
ES#:
2918729
Mfg#:
99610601157
Ships in 4 Business Days
$501.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator Pressure Test kit 14 pc

ES#2932379 - ATD3300 - Radiator Pressure Test kit 14 pc - Adapters for most European and domestic vehicles - ATD Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Adapters for most European and domestic vehicles

Brand:
ATD Tools - Corporate Logo
ES#:
2932379
Mfg#:
ATD3300
Ships in 6 Business Days
$497.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

High Performance Aluminum Radiator - center

ES#2992659 - 7057 - High Performance Aluminum Radiator - center - Lower engine temperatures mean more power and longer life of engine components! - CSF - Porsche

Lower engine temperatures mean more power and longer life of engine components! 2X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with Tiptronic transmission only

Brand:
CSF - Corporate Logo
ES#:
2992659
Mfg#:
7057
Ships in 3 Business Days
$475.00 USD
Free Shipping

Purple Ice - 12oz

ES#2793046 - 01600 - Purple Ice - 12oz - High performance coolant conditioner - Royal Purple - Audi BMW Volkswagen Mercedes Benz MINI Porsche

High performance coolant conditioner

Brand:
Royal Purple - Corporate Logo
ES#:
2793046
Mfg#:
01600
Ships in 4 Business Days
$12.99 USD
Free Shipping
on orders $49 and up

More About Engine Cooling Parts

Optimize your engine cooling system performance and heater output with quality drive belts, coolant hoses, cooling system parts, and approved coolant fluids from ECS Tuning. Head off expensive repairs and untimely breakdowns with regularly scheduled cooling system inspection and maintenance.

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

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