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Your Vehicle 1998 Porsche Boxster 986 Base Convertible H6 2.5L

1998 Porsche Boxster 986 Base Convertible H6 2.5L Performance Engine Cooling Parts

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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
ES#4338528 - 81205 - SuperCool Performance Coolant - Concentrate - 1 Gallon - Redline's state of the art coolant offering premium performance and protection. Fortified with Waterwetter! - Redline - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Redline's state of the art coolant offering premium performance and protection. Fortified with Waterwetter! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Redline - Corporate Logo
ES#:
4338528
Mfg#:
81205
In Stock
$68.99 USD
Free Shipping
on orders $49 and up
ES#4338527 - 81215 - SuperCool Performance Coolant - Pre-Mixed - 1 Gallon - Redline's state of the art coolant offering premium performance and protection. Fortified with Waterwetter! - Redline - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Redline's state of the art coolant offering premium performance and protection. Fortified with Waterwetter! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Redline - Corporate Logo
ES#:
4338527
Mfg#:
81215
In Stock
$54.99 USD
Free Shipping
on orders $49 and up
ES#4830884 - 99610603751KT5 - CSF Center Radiator Kit For Cars With Manual Transmission - Keep engine temperatures down with an additional radiator - does not include coolant - Assembled By ECS - Porsche

Keep engine temperatures down with an additional radiator - does not include coolant affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4830884
Mfg#:
99610603751KT5
Ships in 4 Business Days
$1015.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement
ES#2575379 - 99610603751KT2 - Center Radiator Kit For Cars With Manual Transmission - Keep engine temperatures down with an additional radiator - Includes coolant - Assembled By ECS - Porsche

Keep engine temperatures down with an additional radiator - Includes coolant affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2575379
Mfg#:
99610603751KT2
Ships in 5 Business Days
$853.99

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

$845.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
2764643
Mfg#:
MMRALC
Ships in 4 Business Days
$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3676995 - MMRALC505064F - Liquid Chill Premixed Synthetic Engine Coolant - 64oz - Perfect for a top off any time you need it! - Mishimoto - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Perfect for a top off any time you need it! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
3676995
Mfg#:
MMRALC505064F
In Stock
$28.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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
In Stock
$12.99 USD
Free Shipping
on orders $49 and up
ES#4266024 - 99610603751KT4 - Center Radiator Kit For Cars With Manual Transmission - Keep engine temperatures down with an additional radiator- Does not include coolant - Assembled By ECS - Porsche

Keep engine temperatures down with an additional radiator- Does not include coolant affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4266024
Mfg#:
99610603751KT4
Ships in 4 Business Days
$780.99

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

$774.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2575356 - 99610603751KT - Center Radiator Kit For Cars With Manual Transmission - Keep engine temperatures down with an additional radiator - Includes coolant - Genuine Porsche - Porsche

Keep engine temperatures down with an additional radiator - Includes coolant affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Porsche - Corporate Logo
ES#:
2575356
Mfg#:
99610603751KT
Ships in 5 Business Days
$1504.99

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

$1503.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Keep engine temperatures down with an additional radiator- Does not include coolant affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Porsche - Corporate Logo
ES#:
2762441
Mfg#:
99610603751KT3
Ships in 5 Business Days
$1432.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Engine Cooling Parts

Looking to mitigate high temperatures under hard driving or from serious engine upgrades? Our performance cooling system upgrades like radiators, silicone hoses, upgraded water pumps, low-temperature thermostats, electric fan conversions, and more are just what you need to keep those temps down for longer.

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

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