The HKS DDR is effective for all diesel vehicles including the common rail system. It can reduce black smoke and it's also effective for smooth cold starting and misfiring prevention. Engine power can be recovered. Toxic emissions can be reduced. Also, it is effectively extending the life of fuel injection pumps, etc. Available for sulfur-free gas oil. Product evaluation conducted.
- For All Diesel Vehicles
- Superior Injector Cleaner
- Cetane Number improves by 3 points
- Gas oil lubricity improves
- Safe to use
In stock, non special order items can be returned within 30 days of the product arriving to your house or place of work.
Returns will NOT be accepted on final sales, special orders, opened, installed, incomplete, or otherwise used products. In order to initiate a return, an RMA number must be requested and approved via e-mail.
All returns will be subject to a 20% restocking fee minus complete shipping cost (roundtrip).
Any processed orders that have not shipped will incur a 6% cancelation refund fee unless the product was not available to ship within a timely manner. No fee will be incurred if used as store credit.
For complete details on our return policy, please see our Help and FAQ link under HELPFUL INFO.