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Eolys Extend: understand the range before choosing
This range contains one prefilled Eolys Extend diesel particulate-filter additive pouch. The live evidence gives OE references 9678050580 and 1638018780; cross-reference catalogues identify this configuration as approximately 1.6 litres. Eolys Extend is also described as Infineum F7995 chemistry. The pouch, additive family, connector, volume and vehicle calibration must all match—Eolys fluids and pouch generations are not universally interchangeable.
AutoMotoPart currently lists 1 Eolys Extend items. The largest Eolys Extend groups are 1 prefilled DPF-additive pouch entry. Eolys Extend totals can change, so a category count is orientation rather than proof that a particular reference suits a vehicle, workplace or job. The exact Eolys Extend listing, its current technical information and the item in front of you must agree.
What the Eolys Extend page actually covers
| Product group in this range | Current entries | Selection focus |
|---|---|---|
| Eolys Extend DPF additive pouch | 1 | One prefilled approximately 1.6L Eolys Extend/Infineum F7995 pouch: require VIN and exact 9678050580/1638018780 system, connector and chemistry confirmation. |
There is no generic vehicle fitment in the live evidence. The two OE numbers refer to the same listed pouch configuration, not two selectable fluids. Pouch weight or visual shape alone cannot distinguish additive chemistry or calibration.
Build a reliable shortlist
Read fault memory and vehicle build data before ordering. Confirm the original pouch label, OE references, connector, housing and specified additive family. Check whether a manufacturer service campaign or conversion procedure supersedes the installed design.
| Check | Why it matters | Useful evidence |
|---|---|---|
| Vehicle identity | Model/year descriptions can overlap different additive systems | VIN, build code and manufacturer parts catalogue |
| OE reference | Listed pouch carries 9678050580 and 1638018780 | Original label and current supersession data |
| Chemistry | Eolys Extend/Infineum F7995 must not be mixed casually | Service record, fluid test/identification and maker procedure |
| Hardware | Pouch shape, connector and housing are application-specific | Physical comparison without opening or squeezing |
| System health | Low-additive faults can also involve lines, pump or calculation | Diagnostics, leak inspection and actuator tests |
| DPF state | A refill does not remove ash or repair a damaged filter | Soot/ash estimate, pressure, temperature and regeneration history |
Do not order when only ‘DPF pouch’ or a broad model name matches. If OE reference, additive chemistry or connector differs, stop and resolve it from VIN-specific service information. Never create compatibility by swapping connectors or decanting fluid.
Fuel-borne catalyst pouch, not tank additive
An Eolys-equipped vehicle meters a very small quantity of catalyst additive into the diesel fuel as refuelling is detected. The additive helps soot burn at a lower temperature during managed filter regeneration. The prefilled pouch forms part of a closed delivery system. It is different from AdBlue, which is dosed into the exhaust of an SCR system, and different from aftermarket cleaner poured into a fuel tank.
The product description speaks of soot reduction and regeneration support. These are system functions, not promises that any blocked filter will regenerate. Exhaust temperature, engine faults, driving pattern, differential-pressure sensing and filter condition all affect regeneration. Non-combustible ash remains after soot burns and eventually requires approved cleaning or filter replacement.
Chemistry and reference control are essential
Eolys families changed across vehicle generations. Fluids can differ in active chemistry, carrier and vehicle calibration even when their purpose sounds identical. This listing is tied to Extend/F7995 wording and OE 9678050580/1638018780. A service tool may calculate additive quantity based on a specific formulation; mixing can invalidate that calculation and create deposits or dosing errors.
Inspect the old pouch without opening it. Photograph labels, coupling orientation and routing. Cross-check all supersessions in the current parts system. If previous service history is unknown or fluid has been decanted, obtain the maker's identification/flush/conversion procedure. Do not rely on fluid colour: ageing and contamination can alter appearance.
Safe removal of an aspiration-hazard mixture
The Solvay/Rhodia safety sheet for Eolys Extend kits identifies hydrocarbon C11-C13 isoalkanes and classifies the product as aspiration hazard category 1. Do not siphon by mouth or induce vomiting after ingestion; obtain urgent medical/poisons guidance. Keep it away from food, flames and hot surfaces and follow the current sheet for ventilation, PPE, first aid and spill response.
Raise and support the vehicle only at approved points. Allow hot exhaust components to cool. Depressurise/isolate the additive circuit as specified, position a compatible catch system and release the coupling with the intended tool. Aged pouches can tear. Never puncture one to drain it, and never use compressed air to empty or test it. Quarantine damaged packaging.
Install without trapping or damaging the pouch
Clean the housing and connector exterior without allowing dirt or cleaner into the line. Compare the new pouch shape and fitting. Route it exactly so no fold, twist, sharp edge or housing fastener can chafe it. Engage the connector fully and secure every clip, shield and cover to the stated torque. Do not cable-tie a mismatched bag into place.
Inspect surrounding fuel lines, additive pipes and electrical connectors before closing. If the procedure requires priming, use the diagnostic routine; squeezing the pouch can overpressure a line or dose uncontrolled fluid. Start the engine only after all leaks are ruled out and tools/absorbent are removed from the exhaust area.
Reset calculation and diagnose the DPF separately
Many additive systems estimate remaining quantity rather than measuring the pouch directly. Replacement usually requires a diagnostic declaration/reset and sometimes priming or counter initialisation. Use a capable tool and exact service procedure. Do not simply erase the fault or change unrelated DPF counters. Record old/new pouch references and quantity.
Review DPF differential pressure at appropriate flow, exhaust-temperature sensors, fuel-additive dosing faults, regeneration attempts and engine faults that inhibit regeneration. A replacement pouch cannot repair a leaking injector, thermostat fault, EGR problem, sensor hose or cracked/melted substrate. Verify a safe road or workshop regeneration only when the manufacturer conditions are met.
From identification to a checked result
| Stage | Good practice for this range | Mistake to avoid |
|---|---|---|
| Identify | VIN-check OE 9678050580/1638018780, chemistry and connector | Selecting from DPF presence or pouch appearance |
| Diagnose | Read additive/DPF faults and inspect lines, pouch and filter state | Assuming every warning means an empty pouch |
| Remove | Cool/support vehicle, use PPE and disconnect by service method | Cutting, squeezing, siphoning or puncturing the bag |
| Install | Route exact pouch, lock connector and check leaks | Adapting a different bag or mixing additive families |
| Configure/verify | Prime/reset correct counter and recheck DPF system | Erasing codes or guaranteeing regeneration/emissions |
Record VIN, OE numbers, pouch batch/chemistry, removed condition, any spill, connector check, diagnostic resets and DPF measurements. Retain contaminated pouch and absorbent as hazardous workshop waste under current rules.
Reading real Eolys Extend references
The Eolys Extend names below are examples from the current range and show why the complete description matters. They are not universal Eolys Extend recommendations and should not be treated as a fitment list. Within Eolys Extend, 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 |
|---|---|
| Eolys Extend APF/DPF Pouch | Eolys Extend/Infineum F7995 prefilled pouch, approximately 1.6L, OE 9678050580 and 1638018780 |
Fitment examples found in independent catalogues are not sufficient purchase proof. VIN-specific parts and service data must confirm the actual vehicle, because engine/model ranges and prior conversions can differ.
Common errors around Eolys Extend products
- Selecting from ‘diesel with DPF’ rather than VIN and OE reference.
- Mixing Eolys Extend with another Eolys generation or generic additive.
- Pouring pouch contents manually into diesel or AdBlue tanks.
- Cutting, squeezing or using compressed air on the pouch.
- Ignoring the aspiration hazard and spill controls.
- Fitting a mismatched connector or allowing the bag to chafe.
- Replacing the pouch without the required diagnostic reset/prime.
- Promising regeneration, emissions compliance or repair of an ash-loaded DPF.
Eolys Extend questions and answers
Q: What Eolys product is listed?
A: One prefilled Eolys Extend APF/DPF additive pouch.
Q: Which references are shown?
A: 9678050580 and 1638018780.
Q: What volume is this configuration?
A: Supporting exact-reference catalogues identify approximately 1.6 litres; verify the supplied label.
Q: Is it a universal DPF additive?
A: No. Chemistry, pouch, connector and vehicle calibration must all match.
Q: Is Eolys the same as AdBlue?
A: No. They serve different systems and must never be mixed.
Q: Can the pouch be poured into diesel?
A: No. It connects to the vehicle's automatic additive circuit.
Q: Can different Eolys fluids be mixed?
A: Only under an explicit vehicle-maker conversion procedure; otherwise do not mix.
Q: What is the main handling hazard?
A: The current sheet classifies the hydrocarbon mixture as an aspiration hazard.
Q: Must diagnostics be used after fitting?
A: Typically yes; follow the exact pouch replacement, priming and counter-reset procedure.
Q: Will a new pouch clear a DPF warning?
A: Not necessarily. Diagnose additive hardware, sensors, soot/ash and regeneration faults.
Q: Does it remove DPF ash?
A: No. Ash is non-combustible and requires approved service or replacement.
Q: How is compatibility confirmed?
A: By VIN, OE reference, current service data, chemistry, connector and installed system.