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Vacuum-Controlled Water Pump with 65mm Composite Impeller and Serpentine Belt Drive for VW Atlas Touareg 3.6L VR6

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Vacuum-Controlled Water Pump with 65mm Composite Impeller and Serpentine Belt Drive for VW Atlas Touareg 3.6L VR6

MOQ:	2 STÜCK
Preis:	negotiable
Standardverpackung:	Neutrales Paket oder als Kundenwunsch
Lieferfrist:	5-8 Werktage
Zahlungsmethode:	T/T, Western Union
Lieferkapazität:	10000 Stück/Monat

Ausführliche Information

Beschreibung des Produkts

Ausführliche Information

Herkunftsort

China

Markenname

Zertifizierung

ISO/TS16949

Modellnummer

VW Atlas Touareg

Pumpentyp:

Mechanisch, vakuumgesteuert

Antriebsmethode:

Antrieb über Serpentinenriemen

Gehäusematerial:

Aluminium werfen

Laufradmaterial:

PPS/TFE/ACM-Verbundwerkstoff

Laufraddurchmesser:

65 mm

Betriebsart:

Mechanisch, mit Vakuumkupplung

Montageort:

Beifahrerseite des Motors

Kühlmitteltyp:

G12evo/G13

Hervorheben:

VW Atlas water pump with composite impeller

VW Touareg vacuum-controlled water pump

VR6 engine serpentine belt drive pump

Beschreibung des Produkts

Water Pump 03H 121 008 D for VW Atlas Touareg 3.6L VR6 — Engine Coolant Pump

The Water Pump (Engine Coolant Pump) with OEM number 03H 121 008D is a verified direct-fit replacement for the Volkswagen 3.6L VR6 naturally aspirated engine (EA837 series), primarily found in VW Atlas (2018-2023) and VW Touareg (2011-2017) models.

Part Number:	03H 121 008 D	Product Name:	Water Pump
Car Model:	VW Atlas Touareg	Engine Model:	EA837
Condition:	100% Brand New	Size:	Standard
Weight:	Standard	Origin:	China Mainland
Main Market:	Middle East, Asia, Africa, South America, North America & Europe
Package:	Neutral Packing Or Make It As Requested
Material:	High-strength aluminum alloy & precision bearings	Cooling Type:	Engine coolant circulation
Installation:	Direct OEM replacement	Quality Standard:	OEM equivalent / ISO quality control

Key Features & Verification

✅OEM Cross‑Reference Verified
OE number: 03H 121 008D. Also compatible/supersedes: 03H 121 008B, 03H 121 008H, 03H 121 008K, 95810603304, 958 106 033 00, 958 106 033 01, 958 106 033 02, 958 106 033 03, 958 106 033 04, 3H121008D1.

✅Vehicle Fitment Verified
Fits VW Atlas (2018-2023) with 3.6L V6 — all trims, including 4Motion all-wheel drive. Fits VW Touareg (2011-2017) with 3.6L VR6 — including Lux, Sport, Executive trims.

✅Genuine OE Supplier Information
Original equipment for EA837 water pumps is supplied by premium OE manufacturers including Pierburg (Rheinmetall Automotive) and Graf. Aftermarket equivalents are manufactured under IATF 16949 certified facilities.

✅Known Failure Patterns Documented
Low coolant warnings are the most common indicator, often accompanied by visible coolant puddles under the passenger side of the engine.

✅Troubleshooting Support
Common fault symptoms include P2400 and/or P2404 (Evaporative Emission System Leak Detection Pump Control Circuit) which may indicate a failed vacuum diaphragm.

Vehicle & Engine Compatibility

Brand	Model	Years	Engine	Drivetrain
Volkswagen	Atlas	2018-2023	3.6L VR6	FWD / 4Motion
Volkswagen	Touareg	2011-2017	3.6L VR6	4Motion

Features & Benefits

Feature	Benefit + Verification Signal
Vacuum‑controlled switching function	Faster engine warm-up and optimized cooling — pump partially restricts coolant flow during cold starts, allowing engine to reach operating temperature quickly.
65mm PPS/TFE/ACM composite impeller	Superior corrosion resistance — resists cavitation and chemical attack from G12evo/G13 coolant better than metal impellers.
Direct serpentine belt drive	Simplified service access — pump is externally accessible (passenger side), not buried behind timing cover.
Precision cast aluminum housing	Excellent heat dissipation — resists warping and cracking under thermal stress.
Meets or exceeds OE specifications	Direct fit, no modification — verified by manufacturers such as Vaico, GMB, and URO Parts.
100% factory tested	Reliable out of the box — each pump leak‑tested and flow‑bench verified before packing.

Quality Control & Verification

QC Item	Verification Method
Housing casting integrity	Visual and pressure decay test on bare casting
Impeller balance	Dynamic balancing at rated operating speed
Shaft seal leak integrity	Air pressurization test at 1.5 bar — zero leakage
Vacuum control servo function	Vacuum applied to control port; verifies full open/close travel
Flow rate verification	Flow bench tested at multiple RPM points (batch sampling)
Bearing smoothness	Rotational torque check and noise inspection
Dimensional accuracy	CMM inspection against OE blueprint for gasket fitment
Total functional test	Random 2% of each batch tested on circulation loop at operating temperature and pressure

⚠️ IMPORTANT: Water pump replacement on 3.6L VW engines requires mechanical competence. Professional installation recommended.

Installation & Maintenance Recommendations

Why this part fails (OEM design consideration):

Coolant leak through weep hole → indicates internal shaft seal failure
Leak from pump housing seal/gasket → external leak visible at mating surface
Vacuum servo failure → incorrect coolant flow regulation, may trigger DTCs
Electrical connector seal failure (sensor-equipped variants) → coolant ingress into electrical connector, causing false sensor readings and air pockets in cooling system

Recommended Replacement Indicators:

Low coolant level warning recurring despite topping up
Visible coolant puddle under passenger side of vehicle
Coolant residue around water pump housing or pulley
DTC P2400/P2404 (related to coolant pump vacuum control circuit)
Engine temperature gauge fluctuating or rising above normal

Packaging & Supply

Individually sealed in protective plastic bag with anti-rust coating
Packed in foam-lined carton (branded or plain)
Note: Gasket and mounting bolts not included — must be purchased separately
Bulk wholesale: 20 pumps per master carton with dividers
Suitable for: VW specialist repair shops, independent garages, auto parts distributors

Shipping dimensions: Approx. 20*15*12 cm, weight approx. 1.5-2.0 kg

Inquiry Call‑to‑Action

For Water Pump 03H 121 008D for VW Atlas 3.6L / Touareg 3.6L VR6 EA837 Engine:

✔️ Wholesale price for repair shops, parts distributors, and fleets
✔️ Single unit sample (verify fitment and quality)
✔️ Bulk order discount & custom packaging
✔️ QC report & fitment verification upon request

Please provide your quantity, destination port, and vehicle specifics (make/model/year, engine size 3.6L V6, VIN if available). We can cross‑check fitment with OE catalogs to ensure the correct 03H 121 008D part is supplied.

Stichworte:

Volkswagen Leckage-Detection Pump 7L0906243D,

Audi-Leckage-Pumpe 7L0906243D,

hohe Haltbarkeit Volkswagen Leckage Detection Pump

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Vacuum-Controlled Water Pump with 65mm Composite Impeller and Serpentine Belt Drive for VW Atlas Touareg 3.6L VR6

MOQ:	2 STÜCK
Preis:	negotiable
Standardverpackung:	Neutrales Paket oder als Kundenwunsch
Lieferfrist:	5-8 Werktage
Zahlungsmethode:	T/T, Western Union
Lieferkapazität:	10000 Stück/Monat

Ausführliche Information

Beschreibung des Produkts

Ausführliche Information

Herkunftsort

China

Markenname

YIMI

Zertifizierung

ISO/TS16949

Modellnummer

VW Atlas Touareg

Pumpentyp:

Mechanisch, vakuumgesteuert

Antriebsmethode:

Antrieb über Serpentinenriemen

Gehäusematerial:

Aluminium werfen

Laufradmaterial:

PPS/TFE/ACM-Verbundwerkstoff

Laufraddurchmesser:

65 mm

Betriebsart:

Mechanisch, mit Vakuumkupplung

Montageort:

Beifahrerseite des Motors

Kühlmitteltyp:

G12evo/G13

Min Bestellmenge:

2 STÜCK

Preis:

negotiable

Verpackung Informationen:

Neutrales Paket oder als Kundenwunsch

Lieferzeit:

5-8 Werktage

Zahlungsbedingungen:

T/T, Western Union

Versorgungsmaterial-Fähigkeit:

10000 Stück/Monat

Hervorheben

VW Atlas water pump with composite impeller

VW Touareg vacuum-controlled water pump

VR6 engine serpentine belt drive pump

Beschreibung des Produkts

Water Pump 03H 121 008 D for VW Atlas Touareg 3.6L VR6 — Engine Coolant Pump

Part Number:	03H 121 008 D	Product Name:	Water Pump
Car Model:	VW Atlas Touareg	Engine Model:	EA837
Condition:	100% Brand New	Size:	Standard
Weight:	Standard	Origin:	China Mainland
Main Market:	Middle East, Asia, Africa, South America, North America & Europe
Package:	Neutral Packing Or Make It As Requested
Material:	High-strength aluminum alloy & precision bearings	Cooling Type:	Engine coolant circulation
Installation:	Direct OEM replacement	Quality Standard:	OEM equivalent / ISO quality control

Key Features & Verification

✅Known Failure Patterns Documented
Low coolant warnings are the most common indicator, often accompanied by visible coolant puddles under the passenger side of the engine.

✅Troubleshooting Support
Common fault symptoms include P2400 and/or P2404 (Evaporative Emission System Leak Detection Pump Control Circuit) which may indicate a failed vacuum diaphragm.

Vehicle & Engine Compatibility

Brand	Model	Years	Engine	Drivetrain
Volkswagen	Atlas	2018-2023	3.6L VR6	FWD / 4Motion
Volkswagen	Touareg	2011-2017	3.6L VR6	4Motion

Features & Benefits

Feature	Benefit + Verification Signal
Vacuum‑controlled switching function	Faster engine warm-up and optimized cooling — pump partially restricts coolant flow during cold starts, allowing engine to reach operating temperature quickly.
65mm PPS/TFE/ACM composite impeller	Superior corrosion resistance — resists cavitation and chemical attack from G12evo/G13 coolant better than metal impellers.
Direct serpentine belt drive	Simplified service access — pump is externally accessible (passenger side), not buried behind timing cover.
Precision cast aluminum housing	Excellent heat dissipation — resists warping and cracking under thermal stress.
Meets or exceeds OE specifications	Direct fit, no modification — verified by manufacturers such as Vaico, GMB, and URO Parts.
100% factory tested	Reliable out of the box — each pump leak‑tested and flow‑bench verified before packing.

Quality Control & Verification

QC Item	Verification Method
Housing casting integrity	Visual and pressure decay test on bare casting
Impeller balance	Dynamic balancing at rated operating speed
Shaft seal leak integrity	Air pressurization test at 1.5 bar — zero leakage
Vacuum control servo function	Vacuum applied to control port; verifies full open/close travel
Flow rate verification	Flow bench tested at multiple RPM points (batch sampling)
Bearing smoothness	Rotational torque check and noise inspection
Dimensional accuracy	CMM inspection against OE blueprint for gasket fitment
Total functional test	Random 2% of each batch tested on circulation loop at operating temperature and pressure

⚠️ IMPORTANT: Water pump replacement on 3.6L VW engines requires mechanical competence. Professional installation recommended.

Installation & Maintenance Recommendations

Why this part fails (OEM design consideration):

Coolant leak through weep hole → indicates internal shaft seal failure
Leak from pump housing seal/gasket → external leak visible at mating surface
Vacuum servo failure → incorrect coolant flow regulation, may trigger DTCs
Electrical connector seal failure (sensor-equipped variants) → coolant ingress into electrical connector, causing false sensor readings and air pockets in cooling system

Recommended Replacement Indicators:

Low coolant level warning recurring despite topping up
Visible coolant puddle under passenger side of vehicle
Coolant residue around water pump housing or pulley
DTC P2400/P2404 (related to coolant pump vacuum control circuit)
Engine temperature gauge fluctuating or rising above normal

Packaging & Supply

Individually sealed in protective plastic bag with anti-rust coating
Packed in foam-lined carton (branded or plain)
Note: Gasket and mounting bolts not included — must be purchased separately
Bulk wholesale: 20 pumps per master carton with dividers
Suitable for: VW specialist repair shops, independent garages, auto parts distributors

Shipping dimensions: Approx. 20*15*12 cm, weight approx. 1.5-2.0 kg

Inquiry Call‑to‑Action

For Water Pump 03H 121 008D for VW Atlas 3.6L / Touareg 3.6L VR6 EA837 Engine:

✔️ Wholesale price for repair shops, parts distributors, and fleets
✔️ Single unit sample (verify fitment and quality)
✔️ Bulk order discount & custom packaging
✔️ QC report & fitment verification upon request

Stichworte: