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BMW E46 Engine Cooling Parts

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Water Pump O-Ring

ES#24381 - 11511711484 - Water Pump O-Ring - Low mileage water pump leaking? Have you considered replacing the o-ring? - Genuine BMW - BMW

Low mileage water pump leaking? Have you considered replacing the o-ring?

Brand:
Genuine BMW - Corporate Logo
ES#:
24381
Mfg#:
11511711484
In Stock
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Pusher Fan Assembly

ES#3189467 - 621-385 - Auxiliary Pusher Fan Assembly - Cooling fan mounted in front of the radiator - Dorman - BMW

Cooling fan mounted in front of the radiator

Brand:
Dorman - Corporate Logo
ES#:
3189467
Mfg#:
621-385
Ships in 4 Business Days
$259.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Upper

ES#2622566 - 11531708499 - Radiator Hose - Upper - New upper radiator hose for your BMW - Rein - BMW

New upper radiator hose for your BMW 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2622566
Mfg#:
11531708499
In Stock at Vendor
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Hard Line Replacement & Upgrade Kit

ES#3184115 - 11531705210KT - Heater Hard Line Replacement & Upgrade Kit - Includes everything needed to replace heater coolant hard lines - Assembled By ECS - BMW

Includes everything needed to replace heater coolant hard lines 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
3184115
Mfg#:
11531705210KT
Ships on Nov 12, 2026
$268.99

This product was last offered at the strikethrough price on
04-28-2026

$258.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

DO88 Coolant Hoses - Black - E46 M3

ES#4656896 - do88kit70S - DO88 Coolant Hoses - Black - E46 M3 - Coolant hose upgrade for the S54 engine! - DO88 - BMW

Coolant hose upgrade for the S54 engine!

Brand:
DO88 - Corporate Logo
ES#:
4656896
Mfg#:
DO88KIT70S
Ships on Nov 12, 2026
$256.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Gasket - Priced Each

ES#25165 - 11537830708 - Gasket - Priced Each - Fix that pesky leak in your cooling system - Genuine BMW - BMW

Fix that pesky leak in your cooling system

Brand:
Genuine BMW - Corporate Logo
ES#:
25165
Mfg#:
11537830708
Ships in 1 day
5% off MSRP

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

$21.99

This product was last offered at the strikethrough price on
10-05-2026

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

Radiator Hose

ES#2880531 - 13541703945 - Radiator Hose - Connects the heater return pipe to the throttle body - Vaico - BMW

Connects the heater return pipe to the throttle body We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2880531
Mfg#:
13541703945
Ships in 1 Business Day
$12.99

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

$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 Air line

ES#35941 - 16111184135 - E46 Air line - Air Line with the dreaded L-shaped connector that can have a tendency to snap - Genuine BMW - BMW

Air Line with the dreaded L-shaped connector that can have a tendency to snap

Brand:
Genuine BMW - Corporate Logo
ES#:
35941
Mfg#:
16111184135
Ships in 1 day
3% off MSRP

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

$128.99

This product was last offered at the strikethrough price on
10-25-2026

$124.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Mounting Plate

ES#3984620 - 17111436250 - Expansion Tank Mounting Plate - Mounts to the side of the radiator for retaining the expansion tank - URO - BMW

Mounts to the side of the radiator for retaining the expansion tank 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
For vehicles with manual transmission only

Brand:
URO - Corporate Logo
ES#:
3984620
Mfg#:
17111436250
Ships in 1 Business Day
$49.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Temperature Sensor

ES#4877316 - 13621433076 - Temperature Sensor - Monitors coolant / oil temperature - URO - BMW

Monitors coolant / oil temperature 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4877316
Mfg#:
13621433076
In Stock
$10.34 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

THERMOSTAT HOUSING

ES#4870499 - 11537838120 - THERMOSTAT HOUSING - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
4870499
Mfg#:
11537838120
Back Ordered
3% off MSRP

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

$255.99

This product was last offered at the strikethrough price on
10-25-2026

$247.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Pulley

ES#3499768 - 11511730554 - Water Pump Pulley - Located behind the fan blade, fan clutch bolts to this pulley - Rein - BMW

Located behind the fan blade, fan clutch bolts to this pulley 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3499768
Mfg#:
11511730554
In Stock
$49.99

This product was last offered at the strikethrough price on
10-22-2026

$48.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#2814110 - 17137787039 - Coolant Expansion Tank - Include coolant level sensor and lower securing clamp - Hamburg Tech - BMW

Include coolant level sensor and lower securing clamp We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2814110
Mfg#:
17137787039
Ships in 1 Business Day
$48.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 M3 Coolant hose

ES#177981 - 64216902679 - E46 M3 Coolant hose - Heater coolant valve to heater core - Genuine BMW - BMW

Heater coolant valve to heater core

Brand:
Genuine BMW - Corporate Logo
ES#:
177981
Mfg#:
64216902679
Ships in 1 day
3% off MSRP

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

$35.99

This product was last offered at the strikethrough price on
10-25-2026

$34.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator - Manual

ES#2710378 - 17119071517 - Radiator - Manual - Replace your leaking radiator. - Mahle-Behr - BMW

Replace your leaking radiator. For vehicles with manual transmission only and production date from 05/2005

Brand:
Mahle-Behr - Corporate Logo
ES#:
2710378
Mfg#:
17119071517
Ships in 1 day
$250.99

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

$243.99 USD
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.

Let us help you find the parts that fit your BMW

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Manufacturer names and/or part numbers are used only for identification purposes.

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