Call Us330-331-2003 ChatLive Chat Text Us!
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle 2003 MINI Cooper S Coupe L4 1.6L

2003 MINI Cooper S Coupe L4 1.6L Most Popular Parts

Sort By
Filter By
Return to Top
ES#4699039 - R53FPS-STD - R53 R52 W11 Sneed4Speed Forged Race Series Piston Set - Standard 77mm - Performance pistons in standard size. "STD" will be printed on the pistons. Please inspect before install. - Sneed4Speed - MINI

Performance pistons in standard size. "STD" will be printed on the pistons. Please inspect before install. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Sneed4Speed is now exclusively at ECS Tuning

Brand:
Sneed4Speed - Corporate Logo
ES#:
4699039
Mfg#:
R53FPS-STD
Ships on Jun 25, 2026
$699.00 USD
Free Shipping
ES#3218748 - PF5K-1004 - MINI Gen 1 (5/2003-2006) Handling Pack - Full kit which contains the engine mounts and suspension bushings - Powerflex - MINI

Full kit which contains the engine mounts and suspension bushings affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production from 5/2003

Brand:
Powerflex - Corporate Logo
ES#:
3218748
Mfg#:
PF5K-1004
Ships in 1 Business Day
$348.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#39988 - 18207545128 - John Cooper Works Exhaust - Rear Section - Upgrade you stock exhaust to the JCW version : for pre 1/2004 MINI inside hangers will need bent to the rear, as the pre 1/2004 factory JCW rear section exhaust is NLA - Genuine MINI - MINI

Upgrade you stock exhaust to the JCW version : for pre 1/2004 MINI inside hangers will need bent to the rear, as the pre 1/2004 factory JCW rear section exhaust is NLA affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For John Cooper Works kit

Brand:
Genuine MINI - Corporate Logo
ES#:
39988
Mfg#:
18207545128
Ships in 3 Business Days
7% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$2251.99

This product was last offered at the strikethrough price on
03-05-2026

$2086.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3103027 - AMPENG520 - ALTA Crank Pulley - 2%  - Remedy your MINI's laggy throttle response - Alta Performance - MINI

Remedy your MINI's laggy throttle response affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Alta Performance - Corporate Logo
ES#:
3103027
Mfg#:
AMPENG520
In Stock
$129.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#41732 - 22116778610 - Upper Engine Mount - Connects and dampens the engine to the upper side frame. - Genuine MINI - MINI

Connects and dampens the engine to the upper side frame. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production from 12/2003

Brand:
Genuine MINI - Corporate Logo
ES#:
41732
Mfg#:
22116778610
In Stock
7% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$202.99

This product was last offered at the strikethrough price on
03-05-2026

$187.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2590749 - 65202296772 - Sport Rod Antenna "Stubby" - 83mm - Upgrade and get the sport stubby look - 83mm height : both M6 x 1.0 and M5 x 0.8 threads - Genuine MINI - MINI

Upgrade and get the sport stubby look - 83mm height : both M6 x 1.0 and M5 x 0.8 threads affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine MINI - Corporate Logo
ES#:
2590749
Mfg#:
65202296772
In Stock
4% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$33.00

This product was last offered at the strikethrough price on
04-19-2026

$31.81 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3463519 - 51337039451 - Window Regulator - Front Left  - Replace your worn out window lift - Bremmen Parts - MINI
ECS Tuning recommends this product.

Replace your worn out window lift affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
3463519
Mfg#:
51337039451
In Stock
ON SALE! SAVE 21%
$107.99

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

$85.67 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2834861 - 51717039760kt2KT - Jack Pad Kit - Set Of 4  - Add 4 new jack pads to your MINI - URO - MINI

Add 4 new jack pads to your MINI affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2834861
Mfg#:
51717039760KT2KT
In Stock
$61.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#38427 - 17127541095 - Coolant Hose - Mutliple - Connects to the side and bottom of the expansion tank - Genuine MINI - MINI

Connects to the side and bottom of the expansion tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with automatic transmissions

Brand:
Genuine MINI - Corporate Logo
ES#:
38427
Mfg#:
17127541095
Ships in 2 Business Days
6% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$217.99

This product was last offered at the strikethrough price on
03-05-2026

$203.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#39176 - 17517565302 - JCW GP SC Intercooler - Larger intercooler for the JCW GP edition - Genuine MINI - MINI

Larger intercooler for the JCW GP edition affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine MINI - Corporate Logo
ES#:
39176
Mfg#:
17517565302
Special Order: No Guaranteed ETA
4% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$2110.99

This product was last offered at the strikethrough price on
01-20-2026

$2036.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3162625 - 80-272 - Expansion Tank - Aluminum  - Upgrade to Canton Racing on your MINI - Canton Racing - MINI

Upgrade to Canton Racing on your MINI affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Canton Racing - Corporate Logo
ES#:
3162625
Mfg#:
80-272
Ships in 7 Business Days
$185.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2723052 - 001924ECS02A15KT - ECS Wheel Spacers - 15mm (Pair) - Aluminum wheel spacers, made specifically for your MINI's 4x100 bolt pattern - ECS - MINI

Aluminum wheel spacers, made specifically for your MINI's 4x100 bolt pattern affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2723052
Mfg#:
001924ECS02A15KT
In Stock
ON SALE! SAVE 15%
$118.99

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

$100.97 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4350596 - 32116777521KT2 - Tie Rod Full Section And Boots - Left And Right Side Kit - Both the left and right hand side to fix both issues, includes boots and hardware - Lemforder - MINI

Both the left and right hand side to fix both issues, includes boots and hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
For vehicles with production from 05/2003

Brand:
Lemforder - Corporate Logo
ES#:
4350596
Mfg#:
32116777521KT2
In Stock
$183.99

This product was last offered at the strikethrough price on
05-18-2026

$182.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2587905 - 001959ECS01A - Exact-Fit Stainless Steel Brake Lines - Front  - Front - Manufactured by ECS Tuning to replicate your stock lines. (DOT-compliant) - ECS - MINI

Front - Manufactured by ECS Tuning to replicate your stock lines. (DOT-compliant) affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

JCW Single Pot or JCW Poor Man Brakes

Brand:
ECS - Corporate Logo
ES#:
2587905
Mfg#:
001959ECS01A
In Stock
ON SALE! SAVE 15%
$106.99

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

$90.94 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3143693 - MSM311REP - Mid Pipe R53/R52 Cooper S/JCW - Non Resonated - Replacement mid pipe - Milltek Sport - MINI

Replacement mid pipe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Milltek Sport - Corporate Logo
ES#:
3143693
Mfg#:
MSM311REP
In Stock
$199.99 USD
This product is lifetime replacement eligible Lifetime Replacement

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