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

Menu

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

2003 Porsche Boxster 986 Roadster Convertible H6 2.7L

    • 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
garage-red
Your Vehicle 2003 Porsche Boxster 986 Roadster Convertible H6 2.7L
Your Vehicle 2003 Porsche Boxster 986 Roadster Convertible H6 2.7L
Change Clear

2003 Porsche Boxster 986 Roadster Convertible H6 2.7L Engine Service & Maintenance Parts

Sort By
Filter By
Return to Top

Ignition Service Kit

Includes everything you need to completely restore your ignition system

Brand:
Genuine Porsche - Corporate Logo
ES#:
2538765
Mfg#:
99760210400KT
Ships in 4 Business Days
$1011.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

OEM Oxygen Sensor - Priced Each

Fitment both before and after the catalyst - 4 required

Brand:
FAE - Corporate Logo
ES#:
3625754
Mfg#:
98660612601
Ships on Aug 24, 2026
$80.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Plasma Direct Ignition Coil Upgrade - Set Of Six

Get the most out of your ignition system with a stronger and more consistent spark

Brand:
Okada Projects - Corporate Logo
ES#:
4830272
Mfg#:
PD6004201R
Special Order: No Guaranteed ETA
$1650.00 USD
Free Shipping
on orders $49 and up

Ignition Coil - Priced Each

ES#4684860 - 99760210704 - Ignition Coil - Priced Each - Common cause of Reduced power output or misfires - Vemo - Porsche

Common cause of Reduced power output or misfires

Brand:
Vemo - Corporate Logo
ES#:
4684860
Mfg#:
99760210704
Special Order: No Guaranteed ETA
$62.99 USD

OEM Oxygen Sensor - Priced Each

ES#2902435 - 98660612601 - OEM Oxygen Sensor - Priced Each - Fitment both before and after the catalyst - 4 required - Vemo - Porsche

Fitment both before and after the catalyst - 4 required

Brand:
Vemo - Corporate Logo
ES#:
2902435
Mfg#:
98660612601
Special Order: No Guaranteed ETA
$133.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Serpentine Belt Kit

ES#3614104 - 99610215166KT4 - Serpentine Belt Kit - Accessory belt with rollers - Featuring new wear indicator Optibelt! - Optibelt - Porsche

Accessory belt with rollers - Featuring new wear indicator Optibelt! Only for vehicles with air conditioning

Brand:
Optibelt - Corporate Logo
ES#:
3614104
Mfg#:
99610215166KT4
Back Ordered
$402.99

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

$388.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

More About Engine Service & Maintenance Parts

An ounce of prevention improves engine reliability and heads off big-ticket repairs. On average, the modest cost or periodic maintenance pays handsome rewards. Plan now to put your car on a regular schedule that includes fluid and filter changes, inspections, and recommended service.

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