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Audi A4 Engine Cooling Parts

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Radiator Hose - Upper

ES#3463359 - 8D0121101AF - Radiator Hose - Upper - Runs from radiator to reservoir and water pipe - Hudson - Audi Volkswagen

Runs from radiator to reservoir and water pipe Fits from VIN 8D-T-236 145 - Split is in the 1996 model year

Brand:
Hudson - Corporate Logo
ES#:
3463359
Mfg#:
8D0121101AF
Ships in 1-2 days
$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Core Pipe Gasket Set

ES#2823252 - 8E0898380 - Heater Core Pipe Gasket Set - Includes the necessary gaskets and clamps for your new heater core - Original Equipment Supplier - Audi Volkswagen

Includes the necessary gaskets and clamps for your new heater core

Brand:
Original Equipment Supplier - Corporate Logo
ES#:
2823252
Mfg#:
8E0898380
Ships in 9 Business Days
$30.99

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

$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling System O-ring - Priced Each

ES#3437196 - 4E0121666 - Cooling System O-ring - Priced Each - Ensure a proper seal on your cooling system. 38x4mm - Meistersatz - Audi

Ensure a proper seal on your cooling system. 38x4mm Seals both hoses to the coolant pump assembly

Brand:
Meistersatz - Corporate Logo
ES#:
3437196
Mfg#:
4E0121666
Ships in 1 Business Day
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Gasket

ES#2580782 - 06C121043 - Water Pump Gasket - Ensure a proper seal when installing a new water pump - Elring - Audi

Ensure a proper seal when installing a new water pump 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
2580782
Mfg#:
06C121043
Ships in 3 Business Days
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Mounting Bolt - Priced Each

ES#468273 - N10471802 - Radiator Mounting Bolt - Priced Each - M5x12 - Secures the radiator to the mounting bracket - Genuine Volkswagen Audi - Audi

M5x12 - Secures the radiator to the mounting bracket

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
468273
Mfg#:
N10471802
In Stock
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange Sealing O-Ring - Priced Each

ES#2865748 - 037121687 - Coolant Flange Sealing O-Ring - Priced Each - Install a new o-ring for a proper seal. 36x3.15 - Febi - Audi Volkswagen

Install a new o-ring for a proper seal. 36x3.15 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Seals the coolant flange to the cylinder head

Brand:
Febi - Corporate Logo
ES#:
2865748
Mfg#:
037121687
Ships on Oct 28, 2026
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sealing O-Ring - Priced Each

ES#3550934 - 037121687 - Sealing O-Ring - Priced Each - Install a new o-ring for a proper seal. 36x3.15 - Elring - Audi Volkswagen

Install a new o-ring for a proper seal. 36x3.15 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Seals the coolant flange to the cylinder head

Brand:
Elring - Corporate Logo
ES#:
3550934
Mfg#:
037121687
Ships in 1 Business Day
$2.99

This product was last offered at the strikethrough price on
07-31-2026

$1.01 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler

ES#4939990 - 078117021A - Oil Cooler - Common source of leaks, mounted between your oil filter and engine block - Bremmen Parts - Audi Volkswagen

Common source of leaks, mounted between your oil filter and engine block 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4939990
Mfg#:
078117021A
In Stock
ON SALE! SAVE 22%
$36.99

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

$28.99 USD
Free Shipping
on orders $49 and up

Oil Cooler Hose

ES#3234885 - 078121058M - Oil Cooler Hose - Connects the oil cooler to the upper coolant pipe - Gates - Audi Volkswagen

Connects the oil cooler to the upper coolant pipe Up to the 1999 model year

Brand:
Gates - Corporate Logo
ES#:
3234885
Mfg#:
078121058M
Back Ordered
$28.67 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Upper Radiator Bushing - Priced Each

ES#4345879 - 8K0121275C - Upper Radiator Bushing - Priced Each - Rubber mounts that stabilize the radiator - Febi - Audi

Rubber mounts that stabilize the radiator 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
4345879
Mfg#:
8K0121275C
Ships in 1-2 days
$4.99

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

$4.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Lower

ES#2718687 - 8D0121055T - Radiator Hose - Lower - Connects the lower radiator port to the thermostat housing - Hutchinson Worldwide - Audi Volkswagen

Connects the lower radiator port to the thermostat housing From VIN 8D -X-003501, split is in the 1999 model year

Brand:
Hutchinson Worldwide - Corporate Logo
ES#:
2718687
Mfg#:
8D0121055T
Back Ordered
$28.99

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

$27.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sandwich Plate Fitting - priced each

ES#2764124 - MMSPF10ANBK - Sandwich Plate Fitting - priced each - M20 X 1.5 /10AN - Mishimoto - Audi BMW Volkswagen MINI

M20 X 1.5 /10AN

Brand:
Mishimoto - Corporate Logo
ES#:
2764124
Mfg#:
MMSPF10ANBK
In Stock at Vendor
$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 80°C

ES#2771162 - 075121113D - Thermostat - 80C - Includes sealing O-Ring - Meyle - Audi Volkswagen

Includes sealing O-Ring 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Lower temperature thermostat, stock is 87°C

Brand:
Meyle - Corporate Logo
ES#:
2771162
Mfg#:
075121113D
Ships on Dec 10, 2026
$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange Hose

ES#4818186 - 06D121101B - Coolant Flange Hose - Connects the rear coolant flange to the hard water pipe - URO - Audi

Connects the rear coolant flange to the hard water pipe 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4818186
Mfg#:
06D121101B
Ships in 1 Business Day
$6.99 USD
Free Shipping
on orders $49 and up

Turbo Coolant Hose - Return

ES#3462968 - 058121471B - Turbo Coolant Hose - Return - Connects the turbocharger to the hard water pipe - Rapro - Audi Volkswagen

Connects the turbocharger to the hard water pipe

Brand:
Rapro - Corporate Logo
ES#:
3462968
Mfg#:
058121471B
Ships in 1-2 days
$7.99

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

$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump O-Ring

ES#2538531 - 06A121119 - Water Pump O-Ring - Ensure a proper seal when installing a new water pump. 53x4mm - Rein - Audi Volkswagen

Ensure a proper seal when installing a new water pump. 53x4mm 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2538531
Mfg#:
06A121119
In Stock at Vendor
$3.99 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.

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