11 Products
PATFLUID
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PatFluid: understand the range before choosing
PatFluid is a fuel-borne catalyst for diesel vehicles with an onboard DPF additive dosing system. The current range contains one- and five-litre fluid bottles, transfer kits with different contents, and multiple pre-filled replacement pouches. This is a specialist emissions-system fluid and must not be confused with AdBlue, a diesel tank additive or a generic DPF cleaner.
AutoMotoPart currently lists 18 PatFluid items. The largest PatFluid groups are 18 maintenance entries. PatFluid totals can change, so a category count is orientation rather than proof that a particular reference suits a vehicle, workplace or job. The exact PatFluid listing, its current technical information and the item in front of you must agree.
What the PatFluid page actually covers
| Product group in this range | Current entries | Selection focus |
|---|---|---|
| Maintenance | 18 | Match transfer kit connectors, hose, spouted cap and reservoir or pouch interface; keep equipment clean and dedicated. |
Fourteen products are grouped as emissions additives and four as maintenance or lubrication records. Additive appears in 11 titles, fluid in seven and transfer in four. Eleven pouch entries dominate the count, while repeated one- and five-litre bottles and two transfer-kit formats support refillable reservoirs. Product form must match the vehicle's physical system.
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Separate diagnosis into fluid quantity, delivery hardware, DPF condition and engine cause. A low-additive warning can be a calculated service state, while a pressure or regeneration fault can arise from soot load, ash, sensors, exhaust leaks or combustion problems. Capture codes and data before clearing anything.
| Check | Why it matters | Useful evidence |
|---|---|---|
| System type | Fuel-borne catalyst and SCR/AdBlue are entirely different | Vehicle emissions diagram and reservoir location |
| Fluid generation | Chemically different additive families may not be mixable | VIN-based application and complete PatFluid compatibility |
| Container | Rigid tank and flexible pouch require different parts and methods | Physical inspection, connector and exact pouch reference |
| Quantity | Calculated level may differ from actual contents after leaks or earlier service | Diagnostic data, service history and prescribed fill amount |
| Transfer hardware | Wrong connectors can leak, admit dirt or damage a bag | Dedicated PatFluid kit and service instructions |
| Electronic reset | The controller may continue to calculate empty after physical refill | Vehicle-specific replenishment and coding procedure |
Do not pour PatFluid into the diesel fuel tank, AdBlue tank or engine-fluid reservoir. It belongs only in the dedicated onboard additive system by the specified transfer or pouch replacement method.
Fuel-borne catalyst versus AdBlue
A fuel-borne catalyst is metered in small amounts into fuel by a dedicated vehicle system to support particulate-filter regeneration. AdBlue is a urea solution dosed into the exhaust for SCR nitrogen-oxide control. The fillers, reservoirs, pumps and control strategies are separate. Similar dashboard wording does not make the fluids interchangeable.
Locate the system from current repair information before opening anything. Misfilling can damage components and create expensive decontamination work. If identity remains uncertain, stop and use VIN-based technical support rather than relying on cap colour or a generic additive message.
Bottles, transfer kits and clean refilling
The range includes dedicated transfer kits and a variant supplied with an empty one-litre bottle. Confirm which connector fits the vehicle tank or bag and whether fluid is transferred by gravity or another controlled method. Keep hose ends capped and never use equipment that previously carried AdBlue, fuel, coolant or another catalyst formulation.
Support the vehicle safely if access is underneath, clean around connections and place containment below. Release clips by their intended action and do not pull on fragile pipework. Measure or use the prescribed volume, prevent overfill and close every cap and connector before removing protection. Clean spills only by the safety-data method.
Replacement additive pouches
Pre-filled pouches avoid open transfer but remain application-specific. Match pouch shape, volume, connector, mounting tray and complete reference. A bag can be punctured or creased by poor handling, and a connector that appears to click may still damage its seal. Inspect housing and lines for abrasion or leakage before installing the new item.
Do not squeeze the bag to prime the system unless explicitly directed. Route pipes without kinks and reinstall shields. Retain the old pouch within compatible containment because residual catalyst may remain. If a bag failed early, investigate mounting, chafing and dosing-system pressure rather than simply replacing it.
Diagnostics, DPF condition and reset
Read faults, additive quantity, distance since refill and DPF pressure or soot information before service. A physically full reservoir cannot correct a failed dosing pump, blocked line or unrecognised refill. Perform the exact diagnostic replenishment reset and any pouch or pump prime required, then verify that calculated values and warnings respond correctly.
DPF regeneration also depends on engine temperature, sensors, exhaust integrity and manageable soot loading. Ash cannot be burned away by additive. Oil consumption, injector faults, short journeys or thermostat problems may cause repeat loading. Do not force regeneration where soot level, oil dilution or vehicle procedure makes it unsafe.
Exposure, waste and post-service checks
Use current PatFluid safety data for gloves, eye protection, ventilation and first aid. Avoid skin contact and aerosols or mist, and never siphon by mouth. Keep the original label with any partly used container and do not decant into an unmarked bottle. Protect drains and separate incompatible workshop waste.
After service, inspect every joint for leakage and secure all underbody covers. Record fluid or pouch reference, quantity, diagnostic reset and fault data. Dispose of empty pouches, contaminated absorbent and surplus fluid through the correct authorised route. A returning warning needs diagnosis, not repeated topping-up.
From identification to a checked result
| Stage | Good practice for this range | Mistake to avoid |
|---|---|---|
| Diagnose | Confirm additive system, codes, level calculation and DPF condition | Assuming every diesel warning means low fluid |
| Identify | Match VIN, fluid generation, tank or pouch and full reference | Selecting by vehicle make or connector appearance |
| Prepare | Use dedicated clean transfer equipment and exposure controls | Reusing a hose contaminated with another workshop fluid |
| Service | Refill or replace without damaging connectors, lines or bag | Pouring PatFluid into fuel or AdBlue tanks |
| Complete | Run the exact reset, verify values, inspect leaks and record work | Clearing codes without confirming dosing operation |
Keep the PatFluid product, batch, volume, pouch code, transfer kit and diagnostic reset in the vehicle record. That evidence helps diagnose later warnings and prevents a different additive generation being chosen from memory.
Reading real PatFluid references
The PatFluid names below are examples from the current range and show why the complete description matters. They are not universal PatFluid recommendations and should not be treated as a fitment list. Within PatFluid, a shared family word can conceal a different dimension, connector, material, pack format, operating condition or installation side.
| Example listing | What to verify beyond the name |
|---|---|
| PAT Fluid Transfer Kit | Fuel-borne catalyst system, not AdBlue, and exact vehicle application |
| PAT Fluid Transfer Kit with Bottle | Fluid generation, bottle volume, pouch code, connector and shape |
| Patfluid PAT Fluid - 5 Litre | Transfer kit contents, clean equipment, PPE and spill control |
| PAT Fluid Transfer Kit | Diagnostic reset, pump or line function, DPF data and waste route |
| Patfluid PAT Fluid - 1 Litre | Fuel-borne catalyst system, not AdBlue, and exact vehicle application |
| Patfluid PAT Fluid - 5 Litre | Fluid generation, bottle volume, pouch code, connector and shape |
| PAT Fluid Transfer Kit with Bottle | Transfer kit contents, clean equipment, PPE and spill control |
| PatFluid DPF Additive Bag | Diagnostic reset, pump or line function, DPF data and waste route |
The examples contain repeated bottles, kits and bags whose short names hide different service roles. Keep the complete PatFluid code and container form attached to the vehicle until reset and leak checks are complete.
Common errors around PatFluid products
- Confusing PatFluid with AdBlue or a diesel-tank cleaner.
- Selecting additive from vehicle make without exact system identification.
- Mixing unknown or unsupported additive generations.
- Damaging a flexible pouch while forcing its connector.
- Using transfer equipment contaminated by another fluid.
- Refilling without the required diagnostic replenishment reset.
- Assuming additive cures a blocked, ash-loaded or sensor-fault DPF.
- Discarding residual catalyst or contaminated bags as ordinary waste.
PatFluid questions and answers
Q: What is PatFluid?
A: It is a fuel-borne catalyst for supported diesel vehicles with a dedicated onboard DPF additive dosing system.
Q: Is PatFluid AdBlue?
A: No. AdBlue belongs to an SCR exhaust-dosing system and must never be confused with DPF catalyst fluid.
Q: Does PatFluid go in the fuel tank?
A: No. It is serviced through the vehicle's dedicated additive reservoir or pouch system.
Q: Can every diesel use it?
A: No. Confirm the exact vehicle has a compatible fuel-borne catalyst dosing system.
Q: Can different DPF additives be mixed?
A: Only where exact current compatibility information explicitly supports it.
Q: What is a transfer kit for?
A: It connects a PatFluid bottle to a supported onboard additive reservoir using dedicated clean fittings.
Q: Why are there different pouches?
A: Connector, shape, volume and application differ even when titles look similar.
Q: Must the system be reset after refill?
A: Many vehicles require a diagnostic replenishment reset or coding procedure; follow the exact service information.
Q: Will additive clear every blocked DPF?
A: No. Soot, ash, sensors, engine faults and exhaust leaks require diagnosis.
Q: Can a damaged pouch be repaired?
A: Do not improvise a patch; replace the correct pouch and investigate why it was damaged.
Q: What should be checked afterward?
A: Verify connectors, leaks, calculated level, warnings, dosing operation and relevant DPF data.
Q: What should be recorded?
A: Keep the full fluid or pouch reference, quantity, transfer kit, reset and diagnostic results.
