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Volkswagen Jetta IV TDI

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Volkswagen Jetta IV TDI Engine Cooling Parts

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Multipurpose Relay - Priced Each

ES#2815889 - 4H0951253A - Multipurpose Relay - Priced Each - Replacement 4-pin/40 amp relay - Hamburg Tech - Audi Volkswagen

Replacement 4-pin/40 amp relay We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2815889
Mfg#:
4H0951253A
Ships in 1 Business Day
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#4872201 - 038121121 - Thermostat Housing - Common point of failure or leaking for the cooling system on your TDI. - URO - Volkswagen

Common point of failure or leaking for the cooling system on your TDI. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with ALH engine code only

Brand:
URO - Corporate Logo
ES#:
4872201
Mfg#:
038121121
Ships in 1 Business Day
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Freeze Plug - 24mm

ES#466012 - N01191410 - Freeze Plug - 24mm - Keep your engine block sealed - Genuine Volkswagen Audi - Volkswagen

Keep your engine block sealed

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
466012
Mfg#:
N01191410
Ships in 2 Business Days
35% off MSRP

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

$4.61

This product was last offered at the strikethrough price on
07-19-2026

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sealing O-Ring

ES#2468 - 037121688 - Sealing O-Ring - For left cylinder head cooling flange (50x3.15) - Victor Reinz - Volkswagen

For left cylinder head cooling flange (50x3.15)

Brand:
Victor Reinz - Corporate Logo
ES#:
2468
Mfg#:
037121688
Ships in 1 day
$5.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Gasket

ES#331429 - 321819017 - Gasket - Keeps heater core from rubbing on housing - Genuine Volkswagen Audi - Volkswagen

Keeps heater core from rubbing on housing

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
331429
Mfg#:
321819017
Ships in 2 Business Days
28% off MSRP

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

$13.78

This product was last offered at the strikethrough price on
07-19-2026

$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank

ES#2814304 - 1J0121321B - Expansion Tank - Keep proper pressure in your coolant system - Hamburg Tech - Audi Volkswagen

Keep proper pressure in your coolant system We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2814304
Mfg#:
1J0121321B
Ships in 1 Business Day
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

O-RING (36 X 3.15MM)

ES#2800836 - 37121687 - O-RING (36 X 3.15MM) - Meistersatz - Audi Volkswagen

Brand:
Meistersatz - Corporate Logo
ES#:
2800836
Mfg#:
37121687
In Stock at Vendor
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange

ES#2535196 - 038121132C - Coolant Flange - Located on the left side of the cylinder head - URO - Volkswagen

Located on the left side of the cylinder head 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with ALH engine code and automatic transmission only

Brand:
URO - Corporate Logo
ES#:
2535196
Mfg#:
038121132C
Ships in 1 Business Day
$7.99

This product was last offered at the strikethrough price on
04-10-2026

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

Anti-Freeze Tester

ES#4337913 - CTAA195 - Anti-Freeze Tester - Tests all ethylene glycol solutions with radiator hot or cold - CTA Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Tests all ethylene glycol solutions with radiator hot or cold

Brand:
CTA Tools - Corporate Logo
ES#:
4337913
Mfg#:
CTAA195
Ships on Aug 4, 2026
$9.98 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Distribution Pipe

ES#1897525 - 1J0121087C - Coolant Distribution Pipe - Plastic 3-way oulet at upper radiator hose - Meyle - Audi Volkswagen

Plastic 3-way oulet at upper radiator hose 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with automatic transmission only

Brand:
Meyle - Corporate Logo
ES#:
1897525
Mfg#:
1J0121087C
Ships on Nov 25, 2026
$9.11 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Distribution Pipe

ES#251395 - 1J0121087 - Water Distribution Pipe - Palstic 3-way oulet at lower radiator hose - Original Equipment Supplier - Volkswagen

Palstic 3-way oulet at lower radiator hose For vehicles with ALH engine code and manual transmission only

Brand:
Original Equipment Supplier - Corporate Logo
ES#:
251395
Mfg#:
1J0121087
Ships in 1 day
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Multipurpose Relay - Priced Each

ES#1831766 - 141951253B - Multipurpose Relay - Priced Each - Replacement 4-pin/40 amp relay - Meyle - Audi Volkswagen

Replacement 4-pin/40 amp relay 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
1831766
Mfg#:
141951253B
In Stock
ON SALE!
$8.98

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

$8.71 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap

ES#2815697 - 3B0121321 - Expansion Tank Cap - Keep proper pressure in your coolant system - Hamburg Tech - Audi Volkswagen

Keep proper pressure in your coolant system We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2815697
Mfg#:
3B0121321
Ships in 1 Business Day
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange

ES#2878291 - 044121144B - Coolant Flange - Attaches to flange on the cylinder head - Vaico - Volkswagen

Attaches to flange on the cylinder head We Price Match - Give Us A Call or Chat!
For vehicles with BEW engine code and automatic transmission only

Brand:
Vaico - Corporate Logo
ES#:
2878291
Mfg#:
044121144B
In Stock at Vendor
$9.99

This product was last offered at the strikethrough price on
04-19-2026

$7.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Coolant Distribution Pipe

ES#2561843 - 1J0121087B - Coolant Distribution Pipe - Three way connector that attaches directly to the upper radiator hose - Meyle - Audi Volkswagen

Three way connector that attaches directly to the upper radiator hose 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with manual transmission only

Brand:
Meyle - Corporate Logo
ES#:
2561843
Mfg#:
1J0121087B
Ships on Nov 25, 2026
$6.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Distribution Pipe

ES#2090999 - 1J0121087A - Water Distribution Pipe - Plastic 3-way oulet at lower radiator hose - MTC - Audi Volkswagen

Plastic 3-way oulet at lower radiator hose For vehicles with ALH engine code and automatic transmission only

Brand:
MTC - Corporate Logo
ES#:
2090999
Mfg#:
1J0121087A
Ships in 9 Business Days
$5.99 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.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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