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1998 Porsche Boxster 986 Base Convertible H6 2.5L

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

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Engine Coolant Air Bleeder Valve

ES#3451026 - 99610634702 - Engine Coolant Air Bleeder Valve - Bleeds off excess cooling system pressure - URO - Porsche

Bleeds off excess cooling system pressure 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
3451026
Mfg#:
99610634702
Ships in 1 Business Day
$36.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Anti-Freeze - One Gallon

Avoid coolant system damage from freezing with new anti-freeze - 50/50 Pre-Mixed

Brand:
Genuine Porsche - Corporate Logo
ES#:
5437233
Mfg#:
V04015004AS
Ships on Sep 28, 2026
$35.99 USD

Gasket For Thermostat Cover

ES#4065877 - 99610632651 - Gasket For Thermostat Cover - Must be replaced any time your thermostat is removed - Genuine Porsche - Porsche

Must be replaced any time your thermostat is removed

Brand:
Genuine Porsche - Corporate Logo
ES#:
4065877
Mfg#:
99610632651
Ships in 3 Business Days
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Vent Line

ES#1908479 - 99610613504 - Coolant Vent Line - This line is part of the coolant bleeding system - Genuine Porsche - Porsche

This line is part of the coolant bleeding system

Brand:
Genuine Porsche - Corporate Logo
ES#:
1908479
Mfg#:
99610613504
Special Order: No Guaranteed ETA
$70.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Level Sensor

ES#1507191 - 99764150300 - Coolant Level Sensor - Located in the expansion tank - Genuine Porsche - Porsche

Located in the expansion tank

Brand:
Genuine Porsche - Corporate Logo
ES#:
1507191
Mfg#:
99764150300
In Stock
ON SALE!
$73.99

This product was last offered at the strikethrough price on
08-26-2026

$68.27 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Titan 4-Piece Air Blow Gun Set

ES#4352819 - TIT19391 - Titan 4-Piece Air Blow Gun Set - Seals and blows out clogged lines/pipes - Titan - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Seals and blows out clogged lines/pipes

Brand:
Titan - Corporate Logo
ES#:
4352819
Mfg#:
TIT19391
Ships in 6 Business Days
$66.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose - Middle Reservoir Line

ES#2500351 - 99610623703 - Coolant Hose - Middle Reservoir Line - Don't get stranded with a leaking coolant hose - Genuine Porsche - Porsche

Don't get stranded with a leaking coolant hose

Brand:
Genuine Porsche - Corporate Logo
ES#:
2500351
Mfg#:
99610623703
Ships in 4 Business Days
$66.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank Cap

ES#2602671 - 99610644704 - Coolant Expansion Tank Cap - Cap for plastic expansion tank - Febi - Porsche

Cap for plastic expansion tank We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2602671
Mfg#:
99610644704
Ships in 1 day
$40.99

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

$32.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Lower Radiator Hose

ES#1908492 - 99610662603 - Lower Radiator Hose - Return line - right side radiator - Genuine Porsche - Porsche

Return line - right side radiator

Brand:
Genuine Porsche - Corporate Logo
ES#:
1908492
Mfg#:
99610662603
Ships in 4 Business Days
$59.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose

ES#1483321 - 99610655202 - Coolant Hose - Don't get stranded with a leaking coolant hose - Genuine Porsche - Porsche

Don't get stranded with a leaking coolant hose

Brand:
Genuine Porsche - Corporate Logo
ES#:
1483321
Mfg#:
99610655202
Special Order: No Guaranteed ETA
$58.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank Cap

ES#2535553 - 99610644704 - Coolant Expansion Tank Cap - Cap for plastic expansion tank - Blau - Porsche

Cap for plastic expansion tank

Brand:
Blau - Corporate Logo
ES#:
2535553
Mfg#:
99610644704
Ships in 1 Business Day
$29.99

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

$26.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor - 4 Pin

ES#1494124 - 99660640501 - Coolant Temperature Sensor - 4 Pin - Located in the oil pump housing - Genuine Porsche - Porsche

Located in the oil pump housing

Brand:
Genuine Porsche - Corporate Logo
ES#:
1494124
Mfg#:
99660640501
Ships in 4 Business Days
$82.99

This product was last offered at the strikethrough price on
04-15-2026

$50.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Gasket

ES#2539160 - 99610634054 - Water Pump Gasket - Fitted between the water pump and the engine case, this gasket prevents leaking coolant - Elring - Porsche

Fitted between the water pump and the engine case, this gasket prevents leaking coolant 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
2539160
Mfg#:
99610634054
Ships in 2 Business Days
$8.27

This product was last offered at the strikethrough price on
08-26-2026

$7.42 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Lower Coolant Return Hose - Priced Each

ES#1908493 - 99610662704 - Lower Coolant Return Hose - Priced Each - Left or right side fitment - Two required - Genuine Porsche - Porsche

Left or right side fitment - Two required

Brand:
Genuine Porsche - Corporate Logo
ES#:
1908493
Mfg#:
99610662704
Ships in 4 Business Days
$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Coolant Hose

ES#1483164 - 99610621211 - Engine Coolant Hose - Heater Hose - Genuine Porsche - Porsche

Heater Hose Manual Trans.

Brand:
Genuine Porsche - Corporate Logo
ES#:
1483164
Mfg#:
99610621211
Ships in 4 Business Days
$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose

ES#2534986 - 99610650204 - Coolant Hose - Don't get stranded with a leaking coolant hose - URO - Porsche

Don't get stranded with a leaking coolant hose 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2534986
Mfg#:
99610650204
Ships in 1 Business Day
$33.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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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