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BMW E39 Engine Cooling Parts

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Thermostat Gasket - Priced Each

ES#24949 - 11531731833 - Thermostat Gasket - Priced Each - Seals the water accumulator to the back of the engine. 2 required. - Genuine BMW - BMW

Seals the water accumulator to the back of the engine. 2 required.

Brand:
Genuine BMW - Corporate Logo
ES#:
24949
Mfg#:
11531731833
Ships in 3 Business Days
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor

ES#4316487 - 13621703993 - Coolant Temperature Sensor - Monitors coolant temperature - Bavarian Autosport - BMW

Monitors coolant temperature 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with production date from 09/1998

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4316487
Mfg#:
13621703993
Ships on Oct 16, 2026
Auto Notify
ON SALE! SAVE 20%
$20.99

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

$16.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Replacement Kit

ES#2593211 - 17111741167KT6 - Expansion Tank Replacement Kit - Includes an OE replacement expansion tank - Assembled By ECS - BMW

Includes an OE replacement expansion tank 10X Entries For Our 25th Anniversary Sweepstakes!
Includes durable brass coolant bleeder screw - no more stripped or broken bleeder screws!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2593211
Mfg#:
17111741167KT6
In Stock
ON SALE! SAVE 15%
$109.99

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

$94.02 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Hex Bolt With Washer

ES#14735 - 07119905525 - Hex Bolt With Washer - M6x14 - Genuine BMW - BMW MINI

M6x14

Brand:
Genuine BMW - Corporate Logo
ES#:
14735
Mfg#:
07119905525
In Stock
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E39 M5 Coolant Return Pipe Gasket

ES#18103 - 11121406247 - E39 M5 Coolant Return Pipe Gasket - Used to seal the coolant return pipe - Genuine BMW - BMW

Used to seal the coolant return pipe

Brand:
Genuine BMW - Corporate Logo
ES#:
18103
Mfg#:
11121406247
In Stock
1% off MSRP

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

$12.22

This product was last offered at the strikethrough price on
07-21-2026

$12.07 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 92C

ES#3032192 - 11537511083 - Thermostat - 92C - Includes o-ring - Mahle - BMW

Includes o-ring

Brand:
Mahle - Corporate Logo
ES#:
3032192
Mfg#:
11537511083
Ships in 8 Business Days
$29.99

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

$27.65 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
In Stock at Vendor
$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

Radiator Vent Hose Fitting

ES#4690266 - 17110419132 - Radiator Vent Hose Fitting - Replace your cracked & leaking fitting - CoolXPert - BMW

Replace your cracked & leaking fitting

Brand:
CoolXPert
ES#:
4690266
Mfg#:
17110419132
Ships in 1-2 days
$6.99

This product was last offered at the strikethrough price on
03-07-2026

$5.99 USD
Free Shipping
on orders $49 and up

Heater Inlet Pipe

ES#2813484 - 11531705210 - Heater Inlet Pipe - Runs from the front left side of the engine to the heater inlet - Hamburg Tech - BMW

Runs from the front left side of the engine to the heater inlet We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813484
Mfg#:
11531705210
In Stock
$38.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling O-Ring - Priced Each

ES#24857 - 11531710048 - Cooling O-Ring - Priced Each - Seals the rear of the water transfer pipe to the block - Genuine BMW - BMW

Seals the rear of the water transfer pipe to the block

Brand:
Genuine BMW - Corporate Logo
ES#:
24857
Mfg#:
11531710048
In Stock
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat O-Ring

ES#24568 - 11531265084 - Thermostat O-Ring - Seals thermostat to cylinder head - Genuine BMW - BMW

Seals thermostat to cylinder head For vehicles with production date up to 09/1998

Brand:
Genuine BMW - Corporate Logo
ES#:
24568
Mfg#:
11531265084
In Stock
$8.99 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 For Our 25th Anniversary Sweepstakes!

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

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

$257.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

E39 Heater Hose

ES#263827 - 64218391005 - E39 Heater Hose - Used from the water valve to the engine block - Elaplast - BMW

Used from the water valve to the engine block

Brand:
Elaplast - Corporate Logo
ES#:
263827
Mfg#:
64218391005
In Stock at Vendor
$17.99

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

$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pipe

ES#24866 - 11531711384 - Water Pipe - Return pipe from water pump to heat exchanger - Genuine BMW - BMW

Return pipe from water pump to heat exchanger For vehicles with automatic transmission and a production date from 09/1998

Brand:
Genuine BMW - Corporate Logo
ES#:
24866
Mfg#:
11531711384
Ships in 3 Business Days
3% off MSRP

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

$85.99

This product was last offered at the strikethrough price on
07-21-2026

$82.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#2534591 - 17111723520 - Coolant Expansion Tank - Does not include cap or coolant level sensor - URO - BMW

Does not include cap or coolant level sensor 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2534591
Mfg#:
17111723520
In Stock
$30.99 USD
Free Shipping
on orders $49 and up
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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