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Hydraulic Vane-Type Camshaft Adjuster VVT Gear for Audi Q7 3.6L VR6 with Case-Hardened Alloy Steel and ECU-Controlled Timing

Hydraulic Vane-Type Camshaft Adjuster VVT Gear for Audi Q7 3.6L VR6 with Case-Hardened Alloy Steel and ECU-Controlled Timing

MOQ: 2 pcs
Price: Negotiable
Standard Packaging: Neutral Package or as customers’ request
Delivery Period: 5-8 Work Days
Payment Method: T/T,Western Union
Supply Capacity: 10000 pcs/month
Detail Information
Place of Origin
China
Brand Name
YIMI
Certification
ISO/TS16949
Model Number
AUDI Q7 4L 3.6L VR6
OEM Part Numbers:
03H109087A, 03H109087, 03H109087D
Position:
Intake Camshaft
Fits Engine:
Audi/VW EA837 3.6L VR6
Adjuster Type:
Hydraulic, Vane-type
VVT Range:
Continuously Variable Advance/retard
Response Time:
~1 Second
Construction Material:
Case-hardened Alloy Steel
Tooth Count:
3 Or 4 Notches
Highlight:

Audi Q7 3.6L VR6 camshaft adjuster

,

Hydraulic VVT gear with case-hardened steel

,

ECU-controlled timing adjuster for Audi Q7

Product Description
Camshaft Adjuster 03H109087A for AUDI Q7 4L 3.6L VR6 — Intake VVT Sprocket
Product Overview

The Camshaft Adjuster (Intake Camshaft Sprocket / VVT Gear) with OEM number 03H109087A is a verified direct-fit replacement for the AUDI Q7 4L (2006-2009), as well as Volkswagen Touareg (2003-2010, 3.6L VR6) and Volkswagen Passat CC (2008-2016, 3.6L VR6), all equipped with the 3.6L VR6 naturally aspirated engine (EA837 series).
The camshaft adjuster is a critical component of the Variable Valve Timing (VVT) system, mounted on the intake camshaft and driven by the timing chain. It operates by altering engine oil pressure to dynamically adjust intake cam timing based on RPM and load conditions, optimizing engine performance across the entire rev range.

Hydraulic Vane-Type Camshaft Adjuster VVT Gear for Audi Q7 3.6L VR6 with Case-Hardened Alloy Steel and ECU-Controlled Timing 0
Product Specifications
Part Number:03H109087A
Product Name:Camshaft Adjuster
Car Model:AUDI Q7
Engine Model:EA837
Condition:100% Brand New
Material:High-strength aluminum alloy & precision bearings
Quality Standard:OEM equivalent / ISO quality control
Vehicle & Engine Compatibility
BrandModelYearsEngineNotes
AudiQ7 (4L)2006-20093.6L VR6 (BHK)Primary application
VolkswagenTouareg2003-20103.6L VR6 (BHK/BHL/BWS)Wide compatibility
VolkswagenPassat CC2008-20163.6L VR6VR6 models only
VolkswagenPassat (B6)2006-20103.6L VR64Motion / FWD variants
Engine Codes (EA837 3.6L VR6 Family)
  • BHK — 3.6L V6 FSI (Audi Q7 4L, 2006-2009)
  • BHL — 3.6L V6 FSI (Volkswagen Touareg)
  • BWS — 3.6L V6 FSI (Volkswagen Touareg, later production)
  • CDVB / CMTA / CMUA / CNLA / CPRA — Euro-spec / later emissions variants
Features & Benefits
Hydraulic vane-type VVT design
Optimizes valve timing across all RPMs — advances timing for low-end torque and retards for high-RPM power.
Precision case-hardened alloy steel construction
Withstands high oil pressure and maintains timing accuracy over 150k+ km service life.
OE-spec fitment for VR6 engine
Restores factory engine performance — eliminates cold start rattle and hesitation.
Direct replacement for failed OEM unit
Reduces diagnostic time — replaces components causing P0016, P0341 codes.
Compatible with OEM timing tools
Simplified installation — works with VAG timing locking tools for precise alignment.
100% factory tested
Reliable out of the box — each adjuster tested for hydraulic function and proper vane travel.
Quality Control & Verification
QC ItemVerification Method
Dimensional accuracyCMM inspection against OE blueprint
Hydraulic piston travelPressure test bench — verifies full advance/retard range
Vane seal integrityOil pressure retention test — confirms no internal leakage
Spring return functionMeasures return-to-home position force and accuracy
Case hardnessRockwell hardness test on sprocket teeth and housing
Laser markingPermanent OE number marking as per factory specification
Total functional testRandom 2% of each batch tested on VVT test stand simulating engine conditions
Installation & Maintenance
⚠️ IMPORTANT: Camshaft adjuster replacement is an advanced engine repair procedure requiring specialized timing tools. Professional installation strongly recommended.
Common Failure Symptoms
  • Cold start rattle — internal wear or seal failure causes intermittent engagement
  • Check Engine Light with P0016/P0341 — timing correlation code indicating adjuster malfunction
  • Metallic rattling from timing cover — chain slap due to adjuster slack
  • Rough idle / hesitation — incorrect intake cam timing at idle
Recommended Replacement Indicators
  • P0016 correlation code (crankshaft/camshaft position mismatch)
  • P0341 implausible signal code
  • Audible rattling on cold start that disappears after oil pressure builds
  • Oil contamination in VVT system (sludge buildup)
Professional Installation Guide

Tools required: Camshaft locking tools (T40070 or equivalent), Crankshaft TDC locking pin, Torque wrench with angle measurement, New mounting bolts, Timing chain wedge tool
Critical pre-installation checks: Inspect oil control valve (N205), Check engine oil pressure, Inspect timing chain and guides

Packaging & Supply
  • Individually sealed in protective plastic bag with anti-rust coating
  • Packed in foam-lined carton (branded or plain)
  • Mounting bolts NOT included — must be purchased separately
  • Bulk wholesale: 20 adjusters per master carton with dividers
  • Shipping dimensions: Approx. 15*12*10 cm, weight approx. 1.2-1.5 kg
Inquire About This Product

For Camshaft Adjuster 03H109087A (Intake VVT Sprocket) for AUDI Q7 4L 3.6L VR6:

  • ✔️ 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 code BHK, VIN if available).

Products
PRODUCTS DETAILS
Hydraulic Vane-Type Camshaft Adjuster VVT Gear for Audi Q7 3.6L VR6 with Case-Hardened Alloy Steel and ECU-Controlled Timing
MOQ: 2 pcs
Price: Negotiable
Standard Packaging: Neutral Package or as customers’ request
Delivery Period: 5-8 Work Days
Payment Method: T/T,Western Union
Supply Capacity: 10000 pcs/month
Detail Information
Place of Origin
China
Brand Name
YIMI
Certification
ISO/TS16949
Model Number
AUDI Q7 4L 3.6L VR6
OEM Part Numbers:
03H109087A, 03H109087, 03H109087D
Position:
Intake Camshaft
Fits Engine:
Audi/VW EA837 3.6L VR6
Adjuster Type:
Hydraulic, Vane-type
VVT Range:
Continuously Variable Advance/retard
Response Time:
~1 Second
Construction Material:
Case-hardened Alloy Steel
Tooth Count:
3 Or 4 Notches
Minimum Order Quantity:
2 pcs
Price:
Negotiable
Packaging Details:
Neutral Package or as customers’ request
Delivery Time:
5-8 Work Days
Payment Terms:
T/T,Western Union
Supply Ability:
10000 pcs/month
Highlight

Audi Q7 3.6L VR6 camshaft adjuster

,

Hydraulic VVT gear with case-hardened steel

,

ECU-controlled timing adjuster for Audi Q7

Product Description
Camshaft Adjuster 03H109087A for AUDI Q7 4L 3.6L VR6 — Intake VVT Sprocket
Product Overview

The Camshaft Adjuster (Intake Camshaft Sprocket / VVT Gear) with OEM number 03H109087A is a verified direct-fit replacement for the AUDI Q7 4L (2006-2009), as well as Volkswagen Touareg (2003-2010, 3.6L VR6) and Volkswagen Passat CC (2008-2016, 3.6L VR6), all equipped with the 3.6L VR6 naturally aspirated engine (EA837 series).
The camshaft adjuster is a critical component of the Variable Valve Timing (VVT) system, mounted on the intake camshaft and driven by the timing chain. It operates by altering engine oil pressure to dynamically adjust intake cam timing based on RPM and load conditions, optimizing engine performance across the entire rev range.

Hydraulic Vane-Type Camshaft Adjuster VVT Gear for Audi Q7 3.6L VR6 with Case-Hardened Alloy Steel and ECU-Controlled Timing 0
Product Specifications
Part Number:03H109087A
Product Name:Camshaft Adjuster
Car Model:AUDI Q7
Engine Model:EA837
Condition:100% Brand New
Material:High-strength aluminum alloy & precision bearings
Quality Standard:OEM equivalent / ISO quality control
Vehicle & Engine Compatibility
BrandModelYearsEngineNotes
AudiQ7 (4L)2006-20093.6L VR6 (BHK)Primary application
VolkswagenTouareg2003-20103.6L VR6 (BHK/BHL/BWS)Wide compatibility
VolkswagenPassat CC2008-20163.6L VR6VR6 models only
VolkswagenPassat (B6)2006-20103.6L VR64Motion / FWD variants
Engine Codes (EA837 3.6L VR6 Family)
  • BHK — 3.6L V6 FSI (Audi Q7 4L, 2006-2009)
  • BHL — 3.6L V6 FSI (Volkswagen Touareg)
  • BWS — 3.6L V6 FSI (Volkswagen Touareg, later production)
  • CDVB / CMTA / CMUA / CNLA / CPRA — Euro-spec / later emissions variants
Features & Benefits
Hydraulic vane-type VVT design
Optimizes valve timing across all RPMs — advances timing for low-end torque and retards for high-RPM power.
Precision case-hardened alloy steel construction
Withstands high oil pressure and maintains timing accuracy over 150k+ km service life.
OE-spec fitment for VR6 engine
Restores factory engine performance — eliminates cold start rattle and hesitation.
Direct replacement for failed OEM unit
Reduces diagnostic time — replaces components causing P0016, P0341 codes.
Compatible with OEM timing tools
Simplified installation — works with VAG timing locking tools for precise alignment.
100% factory tested
Reliable out of the box — each adjuster tested for hydraulic function and proper vane travel.
Quality Control & Verification
QC ItemVerification Method
Dimensional accuracyCMM inspection against OE blueprint
Hydraulic piston travelPressure test bench — verifies full advance/retard range
Vane seal integrityOil pressure retention test — confirms no internal leakage
Spring return functionMeasures return-to-home position force and accuracy
Case hardnessRockwell hardness test on sprocket teeth and housing
Laser markingPermanent OE number marking as per factory specification
Total functional testRandom 2% of each batch tested on VVT test stand simulating engine conditions
Installation & Maintenance
⚠️ IMPORTANT: Camshaft adjuster replacement is an advanced engine repair procedure requiring specialized timing tools. Professional installation strongly recommended.
Common Failure Symptoms
  • Cold start rattle — internal wear or seal failure causes intermittent engagement
  • Check Engine Light with P0016/P0341 — timing correlation code indicating adjuster malfunction
  • Metallic rattling from timing cover — chain slap due to adjuster slack
  • Rough idle / hesitation — incorrect intake cam timing at idle
Recommended Replacement Indicators
  • P0016 correlation code (crankshaft/camshaft position mismatch)
  • P0341 implausible signal code
  • Audible rattling on cold start that disappears after oil pressure builds
  • Oil contamination in VVT system (sludge buildup)
Professional Installation Guide

Tools required: Camshaft locking tools (T40070 or equivalent), Crankshaft TDC locking pin, Torque wrench with angle measurement, New mounting bolts, Timing chain wedge tool
Critical pre-installation checks: Inspect oil control valve (N205), Check engine oil pressure, Inspect timing chain and guides

Packaging & Supply
  • Individually sealed in protective plastic bag with anti-rust coating
  • Packed in foam-lined carton (branded or plain)
  • Mounting bolts NOT included — must be purchased separately
  • Bulk wholesale: 20 adjusters per master carton with dividers
  • Shipping dimensions: Approx. 15*12*10 cm, weight approx. 1.2-1.5 kg
Inquire About This Product

For Camshaft Adjuster 03H109087A (Intake VVT Sprocket) for AUDI Q7 4L 3.6L VR6:

  • ✔️ 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 code BHK, VIN if available).

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