Keep your diesel engine’s exhaust system working efficiently with Wynns Off-Car DPF Diesel Particulate Filter Cleaner (5 L). This powerful cleaning solution is designed for manually restoring heavily blocked DPFs (diesel particulate filters) when regeneration fails. Suitable for diesel and hybrid-diesel vehicles, the formula soaks the filter to dissolve soot and particle deposits — allowing you to flush and reuse the unit rather than replace it. Ideal for workshops or DIYers dealing with DPFs over ~70% soot loading.
Wynns OFF-CAR DPF Car Diesel Engine
- For manual cleaning when the DPF is too heavily blocked and standard regeneration methods fail.
- For heavily blocked DPFs (over 70 percent soot loading).
- DPF removal is required.
- In-house workshop cleaning solution.
- Approx. 2 hours soak time.
- Compatibility: Diesel and Hybrid Diesel Engines.
- Size: 5L.
HOW TO USE
- Remove the filter from the vehicle and remove the sensors.
- Seal the end of the filter and any openings where sensors were removed.
- Fill the filter with Wynns Off Car DPF Cleaner ensuring the surface of the filter is covered.
- Allow to soak for 90-120 minutes. Extremely contaminated filters can be left for up to 8 hours.
- During soaking, the filter can occasionally be gently agitated to aid in cleaning
- After soaking is complete, the filter should be emptied.
- Rinse the filter from both sides with warm water. Ensure that any contaminant flush is drained out from the filter, and continue until the water runs clear through all openings/apertures.
- Gently dry the filter using low-pressure air from an airline.
- Refit filter.
❓ FAQs
Q1: When should I use this cleaner?
A1: Use this cleaner when your DPF is heavily blocked (approximately 70% or more soot loading) and normal on-vehicle regeneration methods are not resolving the issue.
Because it’s an “off-car” method, you’ll need to remove the DPF from the vehicle before use.
Q2: How do I use it?
A2:
-
Remove the DPF from the vehicle, including sensors.
-
Seal open ends where sensors are removed.
-
Fill the filter unit with the cleaner so the internal surfaces are covered, and allow a soak of around 90-120 minutes. For extreme build-up you may leave it up to 8 hours.
-
After soaking, empty the filter, rinse both sides with warm water until the discharge is clear, then gently dry with low-pressure air.
-
Re-install the filter and connect all sensors.
Q3: What vehicles is it compatible with?
A3: This product is compatible with diesel and hybrid-diesel engines that have a DPF needing off-car cleaning. It is not specific to a single make/model but is intended for any appropriate diesel vehicle where the DPF has been removed for cleaning.
Q4: What are the benefits of using this product?
A4:
-
Allows cleaning of the DPF unit without replacement, potentially saving cost.
-
Helps restore proper airflow and reduce back-pressure in the exhaust system.
-
Helps extend the life of the DPF unit and avoid premature replacement.
-
Ideal for workshop use or serious DIYers dealing with blocked filters.
Q5: What are the limitations or precautions?
A5:
-
The DPF must be removed from the vehicle; this is not an on-car additive you pour into the tank.
-
Heavy soot loading means this is more of a remedial fix, not just a routine additive.
-
After cleaning, correct re-fitting and sensor connections are essential for the exhaust/engine system to function correctly.
-
Ensure the filter is completely dry and clean before re-installing to prevent damage or sensor issues.
-
Always follow manufacturer safety instructions and ensure good ventilation when handling cleaning solvents.
Q6: What size is the product and what’s the price?
A6: The product comes in a 5 L container and on this site is listed at £29.99.
Q7: What warranty or return options are available?
A7: We offers up to a 10-year worry-free warranty depending on the part. We also offer a 180-day return policy for unused items in original condition
- Standard Shipping (Free) - Please allow 1-3 days for your order to be delivered
- DPD Next Day (£4.99) - Please place orders between Monday - Thursday before 4 PM UK time. This service applies to UK Mainland orders only.
- Royal Mail Special Special Saturday Delivery (£19) - Please place orders between Monday - Friday before 3 PM UK time.
- International - Rates vary based on product size. Please enquire for further details.
We do not provide any guarantees on shipping times, as we are reliant on 3rd parties. However, we strive to ensure that our customers are always satisfied.
All products are protected by a upto 10 year worry-free warranty depending on Part
Warranty Coverage: In case a purchased product becomes faulty during its warranty period, for reasons unrelated to your acts, omissions or misuse of the goods, you must promptly notify us and fill out a warranty claim form.
Warranty Non-Coverage: We do not have any liability for any defect arising from normal wear & tear, wilful damage, negligence, tampering of the goods, incorrect fitting of the goods by you and/or a third party. We are also not liable for any abnormal working conditions, alteration or repair of the goods or a failure to follow goods manufacturers' instructions (whether oral or in writing)
We have a 180-day return policy, which means you have 180 days after receiving your item to request a return.
To be eligible for a return, your item must be in the same condition that you received it, unused, and in its original packaging. You will also need the receipt or proof of purchase.
For All Return buyers pay Return Postage.Returns will only be processed after we receive the approved part and a member of our team fully inspects the returned item & successfully matches the returned part to the return reason.
For All UK orders, we offer free return. We do not offer any reimbursement of shipping costs for Any orders on original sale like Next Day Postage.
For All Outside UK order We do not offer any reimbursement of shipping costs for Any orders on either the original sale or the return.
Please direct all questions to sales@d2pautoparts.com.
Damages and issues
Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right.
Exchanges
The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item.
Refunds
We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method. Please remember it can take some time for your bank or credit card company to process and post the refund.
