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Your Vehicle 1999 Porsche Boxster 986 Base Convertible H6 2.5L

1999 Porsche Boxster 986 Base Convertible H6 2.5L Engine Parts & Accessories

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ES#4506217 - 99660616001 - Idle Stabilizer - Located on the throttle body - Hamburg Tech - Porsche

Located on the throttle body affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
4506217
Mfg#:
99660616001
In Stock
$178.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3420837 - 00004330575 - G12++ / G40 Coolant Concentrate - 1 Gallon (3.78 Liters) - Pink ZEREX G-40 formula, comes in a concentrate, requires dilution with distilled water. - Zerex - Audi Volkswagen Mercedes Benz Porsche

Pink ZEREX G-40 formula, comes in a concentrate, requires dilution with distilled water. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Zerex - Corporate Logo
ES#:
3420837
Mfg#:
00004330575
Back Ordered
$40.99

This product was last offered at the strikethrough price on
03-29-2026

$29.99 USD
Free Shipping
on orders $49 and up
ES#4643003 - 9961072255KT6 - Liqui Moly Molygen Oil Service Kit (5w-40) - With ECS Magnetic Drain Plug - Includes Hengst filter and Liqui Moly Molygen New Generation A40 Spec oil - Assembled By ECS - Porsche

Includes Hengst filter and Liqui Moly Molygen New Generation A40 Spec oil 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#:
4643003
Mfg#:
9961072255KT6
In Stock
ON SALE! SAVE 25%
$188.99

This product was last offered at the strikethrough price on
05-15-2026

$141.42 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement
ES#1483468 - 99610702304 - Air-Oil Separator - Keep your crankcase pressures and emissions down with a new separator - Genuine Porsche - Porsche

Keep your crankcase pressures and emissions down with a new separator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Porsche - Corporate Logo
ES#:
1483468
Mfg#:
99610702304
Ships in 1 Business Day
$391.99

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

$380.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4465430 - 2.5L-6FL-1 - Unitronic Performance Software - Stage 1 - Gain up to 14 horsepower and 14 lb-ft of torque on 91 Octane - Unitronic - Porsche

Gain up to 14 horsepower and 14 lb-ft of torque on 91 Octane affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next

Brand:
Unitronic - Corporate Logo
ES#:
4465430
Mfg#:
2.5L-6FL-1
In Stock
ON SALE! SAVE 17%
$899.00

This product was last offered at the strikethrough price on
05-21-2026

$749.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2855155 - 1060813 - IMS Pro Tool Kit  - Everything you need to install an RND RS Roller or LN Dual Row IMS Retrofit - LN Engineering - Porsche

Everything you need to install an RND RS Roller or LN Dual Row IMS Retrofit affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
LN Engineering - Corporate Logo
ES#:
2855155
Mfg#:
1060813
Ships in 3 Business Days
$299.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4726419 - 99610215166KT4 - Serpentine Belt Kit - Featuring Hamburg Technic Belt Kit. Includes all hardware & Genuine Porsche Belt! - Hamburg Tech - Porsche

Featuring Hamburg Technic Belt Kit. Includes all hardware & Genuine Porsche Belt! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Only for vehicles with air conditioning

Brand:
Hamburg Tech - Corporate Logo
ES#:
4726419
Mfg#:
99610215166KT4
In Stock
$182.35 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4723512 - FS.POR.9861.PSC - Fabspeed Porsche 986 Boxster (1997-1999) Primary Sport Catalytic Converters  - Replaces the restrictive factory cats with high-performance 300 cell cats for maximum performance and sound! - Fabspeed - Porsche

Replaces the restrictive factory cats with high-performance 300 cell cats for maximum performance and sound! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Fabspeed - Corporate Logo
ES#:
4723512
Mfg#:
FS.POR.9861.PSC
In Stock
Limited Qty Sale
$1811.99

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

$1361.99 USD
Free Shipping
ES#3982969 - 99631405003 - Power Steering Pump - Does not include pulley - Genuine Porsche - Porsche

Does not include pulley affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Porsche - Corporate Logo
ES#:
3982969
Mfg#:
99631405003
Ships in 4 Business Days
$1112.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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 3 Business Days
$1045.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement
ES#3130926 - 106-08.22 - M96 Faultless Tools IMS Removal & Installation Tool Kit - Required for installation of the Single Row Pro IMS Retrofit and can also be used to install all existing IMS Retrofit, Solution, and RND RS Roller IMS bearings, as well as for ex - LN Engineering - Porsche

Required for installation of the Single Row Pro IMS Retrofit and can also be used to install all existing IMS Retrofit, Solution, and RND RS Roller IMS bearings, as well as for ex affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
LN Engineering - Corporate Logo
ES#:
3130926
Mfg#:
106-08.22
In Stock at Vendor
$1101.99

This product was last offered at the strikethrough price on
04-25-2026

$1008.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4609099 - M68 - Rennline OE+ Upgraded Ignition Coil - Priced Each - Coil on plug style ignition pack - 6 required - Rennline - Porsche

Coil on plug style ignition pack - 6 required affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Rennline - Corporate Logo
ES#:
4609099
Mfg#:
M68
Ships in 9 Business Days
$50.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1483277 - 99610644704 - Coolant Expansion Tank Cap - Cap for plastic expansion tank - Genuine Porsche - Porsche

Cap for plastic expansion tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Porsche - Corporate Logo
ES#:
1483277
Mfg#:
99610644704
Ships in 4 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.

$35.72

This product was last offered at the strikethrough price on
06-05-2026

$33.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2538763 - 99760210700KT - Ignition Service Kit - Includes everything you need to completely restore your ignition system - Genuine Porsche - Porsche

Includes everything you need to completely restore your ignition system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Porsche - Corporate Logo
ES#:
2538763
Mfg#:
99760210700KT
Ships in 4 Business Days
$896.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2863412 - 99610102103 - Water Outlet Flange - Located on the front of the crankcase - Genuine Porsche - Porsche

Located on the front of the crankcase affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Porsche - Corporate Logo
ES#:
2863412
Mfg#:
99610102103
Ships in 3 Business Days
$445.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime 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 4 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

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