The last expansion tank you'll ever need! Upgrade to durable aluminum construction and leave failure-prone plastic behind.
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Upgrade to the true dual purpose heavy duty battery with a longer life span
This item is classified as Hazardous Materials and requires special shipping and handling. We cannot ship this item out of the US or with priority shippi
Includes housing and sealing o-ring
We Price Match - Give Us A Call or Chat! Low-temp thermostat reduces stresses on engine components and improves performance
Wireless controlled unit that allows adjustable throttle response control
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Brand:
ES#:
4624166
Mfg#:
D440-1700
Ships in 2 Business Days
11% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$325.99
This product was last offered at the strikethrough price on 07-31-2026
Whether you're maintaining or repairing your stock engine or looking for added horsepower, we have one of the most comprehensive inventories of engine parts and accessories for German cars. From hard engine parts like connecting rods, pistons, cylinder heads, short blocks, and engine timing parts to performance engine software upgrades; we have you covered.
Lifetime Replacement
