This is a must-have upgrade for anyone chasing down mystery coolant loss or proactively refreshing their 4.0T cooling system.
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Bulletproof your Audi 4.0T's cooling system and permanently eliminate leaks with this complete front billet aluminum upgrade kit.
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Direct replacement precision-machined from 6061-T6 aluminum for improved durability, heat resistance, and long-term reliability.
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Located on the engine block
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Located on the driver side of the cylinder head
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply We Price Match - Give Us A Call or Chat!
Located rear engine, this flange houses the temp sensor
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Install a new o-ring for a proper seal. 31x3
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply Located on the left side
Located on the driver side of the cylinder head
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Ensure a proper seal when installing your new thermostat
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2X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply We Price Match - Give Us A Call or Chat!
Seal off unused coolant temperature sensor ports or auxiliary distribution outlets on your water flange with this complete repair kit.
2X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply We Price Match - Give Us A Call or Chat!
Engineered to replace the factory plastic coolant elbow with a precision-machined 6061 aluminum solution featuring a dual-gasket design for maximum sealing and long-term reliability.
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Coolant supply pipe for the cylinder heads
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply We Price Match - Give Us A Call or Chat!
Brand:
ES#:
4707503
Mfg#:
06E121045R
Ships in 1 Business Day
$149.99
This product was last offered at the strikethrough price on 05-07-2026
Located on the left side of your vehicles cylinder head
5X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply We Price Match - Give Us A Call or Chat! DZ Engine Code Only - Up To VIN 81-D-250000, Split is in the 1983 model year - All JN, SD, 3A Engine Code With Automatic Transmission
Located on the driver side of the cylinder head
5X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply We Price Match - Give Us A Call or Chat!
