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1999 Porsche Boxster 986 Base Convertible H6 2.5L

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Your Vehicle 1999 Porsche Boxster 986 Base Convertible H6 2.5L
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1999 Porsche Boxster 986 Base Convertible H6 2.5L Engine Cooling Parts

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Series Resistor for Auxiliary Fan - Price Each

ES#3560470 - 99661610100 - Series Resistor for Auxiliary Fan - Price Each - Two required per vehicle - Hamburg Tech - Porsche

Two required per vehicle We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
3560470
Mfg#:
99661610100
Ships in 1 Business Day
$99.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Insert

ES#3488331 - 99610612554 - Thermostat Insert - Located at the upper coolant cover under the aluminum lid - Genuine Porsche - Porsche

Located at the upper coolant cover under the aluminum lid

Brand:
Genuine Porsche - Corporate Logo
ES#:
3488331
Mfg#:
99610612554
Ships in 4 Business Days
$88.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose - Upper Reservoir Line

ES#2804284 - 99610624703 - Coolant Hose - Upper Reservoir Line - Genuine Porsche - Porsche

Brand:
Genuine Porsche - Corporate Logo
ES#:
2804284
Mfg#:
99610624703
Ships in 4 Business Days
$82.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Coolant Air Bleeder Valve

ES#3451027 - 99610634702 - Engine Coolant Air Bleeder Valve - Bleeds off excess cooling system pressure - German - Porsche

Bleeds off excess cooling system pressure

Brand:
German - Corporate Logo
ES#:
3451027
Mfg#:
99610634702
In Stock at Vendor
$75.99 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

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

Hose Clamp Pliers Set

ES#2949329 - SGT19780 - Hose Clamp Pliers Set - Ideal tool for less fluid loss while doing any automotive work - S&G Tool Aid - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Ideal tool for less fluid loss while doing any automotive work

Brand:
S&G Tool Aid - Corporate Logo
ES#:
2949329
Mfg#:
SGT19780
Ships in 6 Business Days
$62.99 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 Distribution Return Hose

ES#1892912 - 99610622217 - Coolant Distribution Return Hose - For vehicles with manual transmission - Genuine Porsche - Porsche

For vehicles with manual transmission

Brand:
Genuine Porsche - Corporate Logo
ES#:
1892912
Mfg#:
99610622217
Ships in 4 Business Days
$55.99 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
10-01-2026

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

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 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 1 Business Day
$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

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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