Jaguar ECU XJS HE V12 5.3 litre – 86 87 88 89 1986 1987 1988 1989   

83706-A DAC 2597 DAC 3586

Up for sale is a Working, in excellent condition Jaguar V12 ECU. This from a 86 XJS V12 

This car recently died due to a light amount of damage to the Left front suspension & driver door. The insurance company totaled it because if this. The ECU still works great!

Interchange part numbers are as follows- DAC2597 DAC3586 DAC4118 DAC4585 DAC6335e /   DAC 2597 DAC 3586 DAC 4118 DAC 4585 DAC 6335e

These cost well over $1000 from Jaguar, so this is in incredible bargain! Jaguar Part numbers listed at top . As always your best bet is to match up the part numbers on the ecu you need to replace with the numbers on this one. These are located in the trunk on the right hand side. This unit offers a 30 day functionality warranty. A faulty ECU is one of the most common no start or random stalling & low power problems with these cars. These can also cause issues with erroneous check engine lights as well as emission control malfunctions & cold or hot start problems. If your car does not have these issues but you intend to keep it a while, At this price, I recommend our customers keep an extra ECU in the trunk, before it becomes a potential breakdown "I need it now" situation.