Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply
affirm financing terms & conditions

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle Clear

2003 Porsche 911 996 Carrera 4S Coupe H6 3.6L

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
affirm financing terms & conditions
garage-red
Your Vehicle 2003 Porsche 911 996 Carrera 4S Coupe H6 3.6L
Your Vehicle 2003 Porsche 911 996 Carrera 4S Coupe H6 3.6L
Change Clear

2003 Porsche 911 996 Carrera 4S Coupe H6 3.6L Radiator Parts

Sort By
Filter By
Return to Top

Water Wetter Coolant Additive - 12oz

ES#261427 - 80204 - Water Wetter Coolant Additive - 12oz - Reduces coolant temperatures by as much as 30*F - Redline - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Reduces coolant temperatures by as much as 30*F affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Redline - Corporate Logo
ES#:
261427
Mfg#:
80204
In Stock
$15.99 USD
Free Shipping
on orders $49 and up

Adjustable Fan Controller Kit

ES#2816698 - MMFANCNTLUPROBE - Adjustable Fan Controller Kit - Fine-tune your cooling system - Mishimoto - Audi Volkswagen MINI Porsche

Fine-tune your cooling system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
2816698
Mfg#:
MMFANCNTLUPROBE
In Stock
9% off MSRP

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

$98.00

This product was last offered at the strikethrough price on
06-26-2026

$88.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

High Performance Aluminum Radiator - Left

ES#2992658 - 7056 - High Performance Aluminum Radiator - Left - 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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
CSF - Corporate Logo
ES#:
2992658
Mfg#:
7056
Ships in 7 Business Days
$725.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

High Performance Aluminum Radiator - Right

ES#2992657 - 7055 - High Performance Aluminum Radiator - Right - 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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
CSF - Corporate Logo
ES#:
2992657
Mfg#:
7055
Back Ordered
$725.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 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

Mishimoto Universal Curved Blade Electrical Fan - 16"

ES#4265264 - MMFAN-16C - Mishimoto Universal Curved Blade Electrical Fan - 16" - 1850 CFM. High performance fan with curved blades. - Mishimoto - Audi Volkswagen MINI Porsche

1850 CFM. High performance fan with curved blades. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
4265264
Mfg#:
MMFAN-16C
In Stock
$117.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mishimoto Universal Curved Blade Electrical Fan - 14"

ES#4265263 - MMFAN-14C - Mishimoto Universal Curved Blade Electrical Fan - 14" - 1300 CFM. High performance fan with curved blades. - Mishimoto - Audi Volkswagen MINI Porsche

1300 CFM. High performance fan with curved blades. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
4265263
Mfg#:
MMFAN-14C
In Stock
$104.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator

ES#2580419 - 99610613272 - Radiator - Right side fitment - Mahle-Behr - Porsche

Right side fitment affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mahle-Behr - Corporate Logo
ES#:
2580419
Mfg#:
99610613272
Back Ordered
26% off MSRP

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

$805.66

This product was last offered at the strikethrough price on
06-26-2026

$598.99 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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Royal Purple - Corporate Logo
ES#:
2793046
Mfg#:
01600
Ships in 5 Business Days
$12.99 USD
Free Shipping
on orders $49 and up

Mishimoto Universal Curved Blade Electrical Fan - 12"

ES#4265262 - MMFAN-12C - Mishimoto Universal Curved Blade Electrical Fan - 12" - 1150 CFM. High performance push or pull fan with curved blades. - Mishimoto - Audi Volkswagen MINI Porsche

1150 CFM. High performance push or pull fan with curved blades. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
4265262
Mfg#:
MMFAN-12C
In Stock
$96.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Center Radiator

ES#2779823 - 99610603751 - Center Radiator - Additional cooling for GT3, Boxster S, and Tiptronic cars - Behr - Porsche

Additional cooling for GT3, Boxster S, and Tiptronic cars affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Behr - Corporate Logo
ES#:
2779823
Mfg#:
99610603751
Ships in 1-2 days
$288.99

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

$280.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Center Radiator

ES#4266023 - 99610603752 - Center Radiator - Additional cooling for GT3, Boxster S, and Tiptronic cars - ACM - Porsche

Additional cooling for GT3, Boxster S, and Tiptronic cars affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
ACM - Corporate Logo
ES#:
4266023
Mfg#:
99610603752
Ships in 1-2 days
$209.99

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

$203.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Bracket

ES#1487217 - 99650448502 - Radiator Bracket - Lower retaining frame for center radiator - Genuine Porsche - Porsche

Lower retaining frame for center radiator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Porsche - Corporate Logo
ES#:
1487217
Mfg#:
99650448502
Ships in 3 Business Days
$101.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Lower Radiator Hose - Right

ES#2534932 - 99610662651 - Lower Radiator Hose - Right - Return hose from the right radiator - URO - Porsche

Return hose from the right radiator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with 6-speed manual transmission only

Brand:
URO - Corporate Logo
ES#:
2534932
Mfg#:
99610662651
Ships in 1 Business Day
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Upper Radiator Hose - Right

ES#2534925 - 99610662254 - Upper Radiator Hose - Right - Inlet hose to the right radiator - URO - Porsche

Inlet hose to the right radiator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2534925
Mfg#:
99610662254
Ships in 1 Business Day
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Radiator Parts

Keep it cool with a new radiator or upgrade for better cooling capacity with aftermarket performance radiator options.

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

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings