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2004 MINI Cooper John Cooper Works MC40 Coupe L4 1.6L

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Your Vehicle 2004 MINI Cooper John Cooper Works MC40 Coupe L4 1.6L
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2004 MINI Cooper John Cooper Works MC40 Coupe L4 1.6L Engine Parts & Accessories

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Performance Cylinder Head Gasket - 0.036 Inch

ES#3551812 - C4308-036 - Performance Cylinder Head Gasket - 0.036 Inch - Built to withstand the massive abuse of turbocharging and racing! - Cometic - MINI

Built to withstand the massive abuse of turbocharging and racing!

Brand:
Cometic - Corporate Logo
ES#:
3551812
Mfg#:
C4308-036
In Stock at Vendor
$96.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Upper Engine Mount

ES#5443577 - 22116778610 - Upper Engine Mount - Connects and dampens the engine to the upper side frame. - Bremmen Parts - MINI

Connects and dampens the engine to the upper side frame. 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with production from 12/2003

Brand:
Bremmen Parts - Corporate Logo
ES#:
5443577
Mfg#:
22116778610
Ships on Sep 28, 2026
Auto Notify
ON SALE! SAVE 15%
$75.99

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

$64.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heat Exchanger Install Kit

ES#4508852 - 11427509261KT - Heat Exchanger Install Kit - Includes 2 gaskets and 4 bolts - Assembled By ECS - MINI

Includes 2 gaskets and 4 bolts 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4508852
Mfg#:
11427509261KT
Ships in 3 Business Days
$22.99

This product was last offered at the strikethrough price on
02-27-2026

$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Pan W/ Drain Plug, Gasket, And Bolts

ES#4214842 - 11137513061KT1 - Oil Pan W/ Drain Plug, Gasket, And Bolts - M14x1.5 , Replacement oil pan with drain plug and gasket and install bolts to the engine block. - Assembled By ECS - MINI

M14x1.5 , Replacement oil pan with drain plug and gasket and install bolts to the engine block. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4214842
Mfg#:
11137513061KT1
Ships in 3 Business Days
ON SALE!
$206.99

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

$188.76 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Intercooler Couplers Red - Pair

ES#3103025 - AMPENG303RD - Intercooler Couplers Red - Pair - Made from high temp silicone, these couplers will replace the small rubber hose connectors - Alta Performance - MINI

Made from high temp silicone, these couplers will replace the small rubber hose connectors

Brand:
Alta Performance - Corporate Logo
ES#:
3103025
Mfg#:
AMPENG303RD
In Stock at Vendor
ON SALE! SAVE 10%
$34.99

This product was last offered at the strikethrough price on
07-17-2026

$31.37 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Shaft Seal - Front Seal

ES#17600 - 11111485171 - Shaft Seal - Front Seal - For timing case cover with oil pump on the crank shaft - Genuine MINI - MINI

For timing case cover with oil pump on the crank shaft

Brand:
Genuine MINI - Corporate Logo
ES#:
17600
Mfg#:
11111485171
Ships in 3 Business Days
4% off MSRP

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

$97.99

This product was last offered at the strikethrough price on
07-22-2026

$93.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank W/ Cap

ES#4147058 - 17137529273 - Coolant Expansion Tank W/ Cap - Replace the expansion tank for your MINI - URO - MINI

Replace the expansion tank for your MINI 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4147058
Mfg#:
17137529273
In Stock
ON SALE!
$37.07

This product was last offered at the strikethrough price on
06-25-2026

$33.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Injector O-Ring - Priced Each

ES#2725345 - 13641437487KT - Fuel Injector O-Ring - Priced Each - Fuel rail to injector O-ring - Elring - BMW MINI

Fuel rail to injector O-ring 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
2725345
Mfg#:
13641437487KT
In Stock
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Silicone Intercooler Boots - Black

ES#3088931 - 53-3M7408 - Silicone Intercooler Boots - Black - Replace your dull, black, dry-rotted intercooler boots with a new set of M7 100% silicone replacements - M7 Speed - MINI

Replace your dull, black, dry-rotted intercooler boots with a new set of M7 100% silicone replacements

Brand:
M7 Speed - Corporate Logo
ES#:
3088931
Mfg#:
53-3M7408
Ships in 4 Business Days
$36.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Tank Heat Insulation

ES#240746 - 51482757771 - Fuel Tank Heat Insulation - Located on the underbody of the vehicle. - Genuine MINI - MINI

Located on the underbody of the vehicle.

Brand:
Genuine MINI - Corporate Logo
ES#:
240746
Mfg#:
51482757771
Ships in 3 Business Days
$72.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

O- Ring Seal For Crankshaft Sensor

ES#28614 - 12147514983 - O- Ring Seal For Crankshaft Sensor - Seals the sensor to the engine block - Genuine MINI - MINI

Seals the sensor to the engine block

Brand:
Genuine MINI - Corporate Logo
ES#:
28614
Mfg#:
12147514983
In Stock
17% off MSRP

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

$5.99

This product was last offered at the strikethrough price on
07-22-2026

$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vent Hose

ES#4159638 - 11151524087 - Vent Hose - Connects from the intake manifold to the vent valve - URO - MINI

Connects from the intake manifold to the vent valve 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4159638
Mfg#:
11151524087
Ships in 2 Business Days
$32.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Weapon-R Secret Weapon Cold Air Intake

ES#3551459 - 308-118-101 - Weapon-R Secret Weapon Cold Air Intake - Cold Air Intakes reduce inlet air temperatures creating a cooler and more dense air charge - Weapon-R - MINI

Cold Air Intakes reduce inlet air temperatures creating a cooler and more dense air charge

Brand:
Weapon-R
ES#:
3551459
Mfg#:
308-118-101
Back Ordered
$360.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ping / Knock Sensor

ES#2702893 - 12141487246 - Ping / Knock Sensor - Detects engine ping and changes timing accordingly ; Also known as a knock sensor - Facet - MINI

Detects engine ping and changes timing accordingly ; Also known as a knock sensor

Brand:
Facet - Corporate Logo
ES#:
2702893
Mfg#:
12141487246
In Stock
$44.99

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

$39.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Air Filter E597L

ES#3624410 - 13721491749 - Air Filter E597L - Keep the engine in your Cooper S breathing fresh air - Hengst - MINI
ECS Tuning recommends this product.

Keep the engine in your Cooper S breathing fresh air 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat! Hengst is our preferred OEM filtration supplier!
Not For John Cooper Works Kit

Brand:
Hengst - Corporate Logo
ES#:
3624410
Mfg#:
13721491749
In Stock
$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cold Air Intake Housing Bottom

ES#35382 - 13721491741 - Cold Air Intake Housing Bottom - Housing for the intake air filter - Genuine MINI - MINI

Housing for the intake air filter

Brand:
Genuine MINI - Corporate Logo
ES#:
35382
Mfg#:
13721491741
In Stock
ON SALE!
$53.99

This product was last offered at the strikethrough price on
06-25-2026

$51.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Parts & Accessories

Whether you're maintaining or repairing your stock engine or looking for added horsepower, we have one of the most comprehensive inventories of engine parts and accessories for German cars. From hard engine parts like connecting rods, pistons, cylinder heads, short blocks, and engine timing parts to performance engine software upgrades; we have you covered.

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