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Porsche // Cayenne 92A (958) 2010-2017 // 958 Cayenne S V8 4.2L Diesel (382Hp) 2010-17
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- Porsche 958 Cayenne V6 3.0L Diesel (245Hp) 2010-17
- Porsche 958 Cayenne S V8 4.2L Diesel (382Hp) 2010-17
The AdBlue pump is responsible for drawing urea solution (AdBlue) from the tank and delivering it under pressure to the injector/nozzle. Because AdBlue is corrosive and operates in a harsh environment (with potential crystallization, heat, etc.), the pump internals (seals, diaphragms, valves, sensors) can degrade over time.
A repair kit for the AdBlue pump is a kit that contains internal components (e.g. seals, diaphragms, O-rings, valves, sometimes membrane or small internal parts) to refurbish an existing pump instead of replacing the full assembly. The idea is to renew the “wear items” inside the pump that tend to fail first.
Product reference number 95811390300 is the repair set / kit corresponding to the AdBlue pump for certain Porsche Cayenne 958 (diesel) models.
Fits:
Porsche 958 Cayenne 3.0L Diesel 2011-18 *cars without activated carbon canister with SCR (option code: 1E9)
Porsche 958 Cayenne S 4.2L Diesel 2011-18 *EU6 plus exhaust concept (option code 7MM)
Why these repair kits are needed / when to replace
Pump failure or malfunction
The pump ceases to draw or deliver AdBlue solution properly.
Dosing errors (under or over dosing) cause emissions faults or “AdBlue system malfunction” warnings.
The ECU or emission control module detects that the pump can’t maintain required pressure.
Leaks / seal degradation
The internal seals, O-rings, membranes can degrade, harden, crack or leak from exposure to urea, heat cycles, crystallization, contamination.
Leaks may manifest as fluid loss, crystallized deposits, or detection of low AdBlue despite tank level being fine.
Clogging / contamination / crystallization
Urea solutions tend to crystallize if they dry or if concentration levels are off. Crystals can obstruct internal passages or damage internal parts.
Foreign particles or contamination in the fluid can damage valves, check components or rub against internal surfaces.
Wear / fatigue of internal moving parts
The pump generally has moving parts (diaphragms, pistons, valves) that wear or fatigue over time.
The dosing pump is cycled many times, so mechanical wear is expected after service life.
Electrical / sensor elements
Some pumps or kits may include or interface with sensors or pressure regulation elements; if those fail, the pump may be flagged even if mechanical parts are intact.
Click 'Zoom in' for large part diagram.
Diagram ref no 8
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95811390300
The product you are viewing cross references to these numbers
- Porsche 958 Cayenne V6 3.0L Diesel (245Hp) 2010-17
- Porsche 958 Cayenne S V8 4.2L Diesel (382Hp) 2010-17
- Porsche 95B.1 Macan S Diesel 3.0L V6 (258Bhp) 2014-18
Fits:
Porsche 958 Cayenne 3.0L Diesel 2012-18
use only in conjunction with: VAS 6542/1 and VAG 1383/1
Porsche 958 Cayenne 4.2L Diesel 2012-18
EU6 plus exhaust concept (option code 7MM)
use only in conjunction with: VAS 6542/1 and VAG 1383/1
Porsche 95B Macan 3.0L Diesel 2013-18
without activated carbon canister with SCR (option code 1E9)
without inster for filling with diesel (option code 2G0)
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
PAF052910A
The product you are viewing cross references to these numbers
- Porsche 958 Cayenne V6 3.0L Diesel (245Hp) 2010-17
- Porsche 958 Cayenne S V8 4.2L Diesel (382Hp) 2010-17
Fits:
Porsche 958 Cayenne 3.0L Diesel 2011-18 *cars without activated carbon canister with SCR (option code: 1E9)
Porsche 958 Cayenne S 4.2L Diesel 2011-18 *EU6 plus exhaust concept (option code 7MM)
Click 'Zoom in' for large part diagram.
Diagram ref no 4
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95811390103
The product you are viewing cross references to these numbers
- Porsche 958 Cayenne V6 3.0L Diesel (245Hp) 2010-17
- Porsche 958 Cayenne S V8 4.2L Diesel (382Hp) 2010-17
Fits:
Porsche 958 Cayenne 3.0L Diesel 2011-18 *cars without activated carbon canister with SCR (option code: 1E9)
Porsche 958 Cayenne S 4.2L Diesel 2011-18 *EU6 plus exhaust concept (option code 7MM)
Click 'Zoom in' for large part diagram.
Diagram ref no 4
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95811390103
The product you are viewing cross references to these numbers
- Porsche 958 Cayenne V6 3.0L Diesel (245Hp) 2010-17
- Porsche 958 Cayenne S V8 4.2L Diesel (382Hp) 2010-17
The OE Match Diesel Emissions Fluid (DEF/AdBlue®) Pre-Heater Repair Kit is a premium-quality replacement emissions system repair kit designed to restore the operation of the diesel emissions fluid heating system on compatible Porsche diesel models. Manufactured to OE specifications for fit, performance and durability, this repair kit ensures the diesel emissions fluid remains at the correct operating temperature, allowing the Selective Catalytic Reduction (SCR) system to function efficiently, even in low ambient temperatures.
Fits:- Porsche 958 Cayenne V6 3.0L Diesel (245Hp) 2010-17 (Cars without activated carbon canister with SCR (option code: 1E9)
- Porsche 958 Cayenne S V8 4.2L Diesel (382Hp) 2010-17 (EU6 plus exhaust concept (option code 7MM)
Diagram Ref No 4
Manufactured using high-quality automotive-grade components with heat-resistant electrical connections and durable sealing materials, the repair kit is engineered to withstand exposure to diesel emissions fluid, moisture, vibration and repeated thermal cycling. Designed for direct OE-style installation, it integrates seamlessly with the vehicle's SCR and AdBlue® system, restoring reliable operation and helping maintain emissions compliance.
What This Product Does:
- Restores operation of the diesel emissions fluid (DEF/AdBlue®) pre-heater.
- Helps prevent DEF/AdBlue® from freezing in cold temperatures.
- Maintains the correct operating temperature of the emissions fluid.
- Supports efficient Selective Catalytic Reduction (SCR) system performance.
- Helps reduce harmful NOx emissions.
- Assists compliance with manufacturer emissions standards.
- Restores factory emissions system functionality.
- Forms an essential part of the vehicle's diesel exhaust after-treatment system.
Symptoms Of Wear Or Failure:
- Illuminated engine management or emissions warning light.
- AdBlue® or DEF system warning messages.
- SCR system fault codes.
- Reduced emissions system efficiency.
- Difficulty operating the emissions system in cold weather.
- Vehicle entering reduced power or limp-home mode.
- Increased NOx emissions.
- Failed emissions or MOT inspection.
- DEF/AdBlue® system malfunction warnings.
- Restricted engine restart countdown on some vehicles.
Why Replacement Matters:
- The diesel emissions fluid pre-heater operates in demanding conditions and is essential for maintaining the correct temperature of the DEF/AdBlue® solution, particularly during cold weather. Over time, heating elements, electrical connections or sealing components can deteriorate due to thermal cycling, moisture and vibration.
- A faulty pre-heater can prevent the SCR system from operating correctly, resulting in increased emissions, warning lights and potential restrictions on vehicle performance or restarting. In many cases, continued operation with a defective DEF/AdBlue® heating system may eventually prevent the vehicle from meeting emissions regulations or operating normally.
- Replacing worn or faulty components with the OE Match Diesel Emissions Fluid Pre-Heater Repair Kit restores reliable DEF/AdBlue® heating and SCR system operation. Manufactured to OE standards using premium-quality materials, this repair kit provides factory-style fitment, dependable performance and long-lasting durability, helping maintain emissions compliance, engine efficiency and the reliability expected from your Porsche.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95811390103
The product you are viewing cross references to these numbers