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BMW E39 Engine Cooling Parts

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Expansion Tank Replacement Kit

ES#2684751 - 17111723520KT4 - Expansion Tank Replacement Kit - Includes everything you need to bolt on a brand new expansion tank - Assembled By ECS - BMW

Includes everything you need to bolt on a brand new expansion tank 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with production date up to 08/1998

Brand:
Assembled By ECS - Corporate Logo
ES#:
2684751
Mfg#:
17111723520KT4
In Stock
ON SALE! SAVE 25%
$61.99

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

$46.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Lower

ES#2867292 - 11531740481 - Radiator Hose - Lower - Runs from the radiator to the thermostat housing. - Febi - BMW

Runs from the radiator to the thermostat housing. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with production date up to 09/1998

Brand:
Febi - Corporate Logo
ES#:
2867292
Mfg#:
11531740481
Ships on Oct 16, 2026
$45.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Lower

ES#24984 - 11531741409 - Radiator Hose - Lower - Connects from water pump to bottom of radiator - Genuine BMW - BMW

Connects from water pump to bottom of radiator For vehicles with production date up to 09/1998

Brand:
Genuine BMW - Corporate Logo
ES#:
24984
Mfg#:
11531741409
Ships in 3 Business Days
2% off MSRP

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

$45.99

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

$44.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Lower

ES#24974 - 11531740481 - Radiator Hose - Lower - Runs from the radiator to the thermostat housing. - Genuine BMW - BMW

Runs from the radiator to the thermostat housing. For vehicles with production date up to 09/1998

Brand:
Genuine BMW - Corporate Logo
ES#:
24974
Mfg#:
11531740481
Ships in 5 Business Days
2% off MSRP

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

$45.99

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

$44.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fluid Level Sensor

ES#3673297 - 17137553919 - Fluid Level Sensor - This sensor is used in multiple locations, depending on model: coolant level, washer level, and power steering level - JL Germany - BMW

This sensor is used in multiple locations, depending on model: coolant level, washer level, and power steering level

Brand:
JL Germany
ES#:
3673297
Mfg#:
17137553919
In Stock
ON SALE!
$14.99

This product was last offered at the strikethrough price on
07-14-2026

$14.54 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose

ES#2534472 - 11531745595 - Coolant Hose - Connects from water pump to top of radiator - URO - BMW

Connects from water pump to top of radiator 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with production date up to 09/1998

Brand:
URO - Corporate Logo
ES#:
2534472
Mfg#:
11531745595
Ships in 1 Business Day
$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

O-ring - priced each

ES#24832 - 11531703848 - O-ring - priced each - 18.2x3. Used in the cooling system - Genuine BMW - BMW

18.2x3. Used in the cooling system

Brand:
Genuine BMW - Corporate Logo
ES#:
24832
Mfg#:
11531703848
Ships in 3 Business Days
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat O-Ring

ES#3449329 - N90136802 - Thermostat O-Ring - Ensure a proper seal when installing your new thermostat - Victor Reinz - Audi BMW Volkswagen

Ensure a proper seal when installing your new thermostat For vehicles with production date up to 09/1998

Brand:
Victor Reinz - Corporate Logo
ES#:
3449329
Mfg#:
N90136802
In Stock
ON SALE! SAVE 27%
$3.99

This product was last offered at the strikethrough price on
03-15-2026

$2.90 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Gasket - Priced Each

ES#2952043 - 11531731833 - Thermostat Gasket - Priced Each - Seals the water accumulator to the back of the engine - Elring - BMW

Seals the water accumulator to the back of the engine 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
2952043
Mfg#:
11531731833
Ships in 1 Business Day
$5.78 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Pulley

ES#2867224 - 11511730554 - Water Pump Pulley - Located behind the fan blade, fan clutch bolts to this pulley - Febi - BMW

Located behind the fan blade, fan clutch bolts to this pulley 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with production date up to 09/1998

Brand:
Febi - Corporate Logo
ES#:
2867224
Mfg#:
11511730554
In Stock at Vendor
$39.51 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

O-ring - priced each

ES#3463456 - 11531703848 - O-ring - priced each - 18.2x3. Used in the cooling system - Bremmen Parts - BMW

18.2x3. Used in the cooling system 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
3463456
Mfg#:
11531703848
Ships in 1 day
ON SALE! SAVE 20%
$2.74

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

$2.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Bleeder Screw - Priced Each

ES#4316519 - 17111712788 - Coolant Bleeder Screw - Priced Each - Comes with O-Ring - Bremmen Parts - BMW MINI

Comes with O-Ring 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4316519
Mfg#:
17111712788
In Stock
ON SALE! SAVE 39%
$3.99

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

$2.44 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Temperature Switch for Control Unit Housing (E-Box) (35 deg. C)

ES#2895858 - 12521741900 - Temperature Switch for Control Unit Housing (E-Box) (35 deg. C) - Vemo - BMW

Brand:
Vemo - Corporate Logo
ES#:
2895858
Mfg#:
12521741900
In Stock at Vendor
$40.99

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

$38.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing Gasket

ES#3676458 - 703307100 - Thermostat Housing Gasket - Needs to be replaced once removed - Victor Reinz - BMW

Needs to be replaced once removed

Brand:
Victor Reinz - Corporate Logo
ES#:
3676458
Mfg#:
703307100
In Stock
ON SALE! SAVE 10%
$10.64

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

$9.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cable Holder

ES#164530 - 61131378529 - Cable Holder - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
164530
Mfg#:
61131378529
In Stock
ON SALE!
$1.99

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

$1.85 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Lower

ES#3235193 - 11537505229 - Radiator Hose - Lower - Includes port for coolant temperature sensor - Gates - BMW

Includes port for coolant temperature sensor For vehicles with production date from 09/1998

Brand:
Gates - Corporate Logo
ES#:
3235193
Mfg#:
11537505229
Ships on Aug 10, 2026
$36.99 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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