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High-quality Upper Control Arm, Left 4M0 407509, Suitable for Q5L & Q8

Name: High-quality Upper Control Arm, Left 4M0 407509, Suitable for Q5L & Q8
Brand: Boigevis Trading (guangzhou) Co., Ltd.
SKU: 4M0 407509 B
Price: 14.7 USD
Availability: InStock

Product Details

Place of Origin: China

Brand Name: Boigevis

Model Number: 4M0 407509 B

Payment & Shipping Terms

Minimum Order Quantity: 1pcs

Price: 14.7USD

Packaging Details: Normal

Delivery Time: 3-7days

Payment Terms: L/C,D/A,D/P,T/T,Western Union

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Product Details

Product Description

Highlight:

OE NO.:	4M0 407509 B	Car Model:	For Q5L & Q8
Item Name:	Upper Control Arm, Left	Quality:	High Quality
Warranty:	12 Months	Size:	Standard Size
Brand:	Boigevis	Packing:	Boigevis Packing
Point Of Origin:	Guangdong, China	Shipping Way:	DHL UPS FEDEX EMS TNT

OE NO.:	4M0 407509 B
Car Model:	For Q5L & Q8
Item Name:	Upper Control Arm, Left
Quality:	High Quality
Warranty:	12 Months
Size:	Standard Size
Brand:	Boigevis
Packing:	Boigevis Packing
Point Of Origin:	Guangdong, China
Shipping Way:	DHL UPS FEDEX EMS TNT

High-quality Upper Control Arm, Left 4M0 407509, Suitable for Q5L & Q8

igh-quality Front Left Curved Upper Control Arm 4M0 407509 for Q5L & Q8

This premium complete left curved upper control arm with OE number 4M0 407509 is an indispensable wearing chassis part of five-link front suspension system for Q5L and Q8. It enjoys steady global aftermarket demand and continuous repeated bulk orders all year round, widely stocked by luxury vehicle repair workshops and worldwide cross-border auto parts wholesalers.

Core Selling Points

Hot-selling chassis consumable ideal for bundled one-stop procurement

Curved upper control arms bear complex lateral force during steering and driving. Under long-term bumpy road vibration, frequent steering operation, repeated extrusion of suspension stroke, as well as erosion by rainwater, sediment and temperature alternation, the original part will suffer rubber bush aging cracking, ball joint loose clearance, arm body corrosion and deformation.

Defective control arm will cause obvious knocking noise while crossing speed bumps, wandering steering at high speed, severe eccentric tire wear, loose chassis driving feel and premature damage to wheel bearings and shock absorbers. Buyers mostly purchase left and right curved control arms together with straight upper arms, stabilizer links and tie rod ends in one batch to cut procurement and logistics costs, bringing stable profit margins and low inventory pressure for dealers.

100% OE precise dimension replication, direct bolt-on installation without modification

Produced strictly in accordance with OEM technical specifications: overall curved radian, forged outline, mounting hole spacing, ball joint swing angle, bushing size and assembly geometric parameters are fully consistent with genuine 4M0 407509. The matching right curved upper control arm corresponding OE code is 4M0 407510.

No cutting, bending or position adjustment is needed during replacement. It perfectly fits MLB Evo platform five-link suspension layout, greatly shortening chassis disassembly time and four-wheel alignment working hours afterward.

Applicable Vehicle Range

Main Fit Models: Q5L (80A chassis, 2018 onward), Q8
Interchangeable Models with identical suspension structure: Q7, A6L C8, A7, SQ5
Installation Position: Front Left Curved Upper Control Arm

Reinforced Durable Structural Design

High-strength forged aluminum alloy arm body: lightweight, high rigidity, anti-bending deformation and anti-corrosion, reduce unsprung weight to upgrade handling performance
Fully sealed pre-greased ball joint: dual dust cover design, prevent silt and water intrusion, keep zero clearance for long service life
High-density elastic natural rubber bushing: consistent hardness with original accessories, excellent vibration damping effect, resistant to compression aging and cracking
Strict dimensional tolerance control, accurate hole positioning, no assembly deviation
Whole part pre-assembled, ready for direct mounting without extra assembly steps

Restore Precise Steering Response & Solid Chassis Texture

As the key steering guiding component of front suspension, it stably limits wheel movement track during turning and passing uneven roads. It efficiently filters road vibration, eliminates loose chassis sensation, corrects vehicle deviation, slows abnormal tire wear, and comprehensively protects the whole front suspension assembly to ensure driving stability.

Fully Resolve Typical Suspension Failure Faults

Distinct clunking knocking noise when passing potholes and deceleration strips
Steering vague, vehicle prone to drifting sideways during high-speed cruising
Serious inner/outer unilateral wear on front tires
Obvious chassis shaking during emergency braking
Excessive ball joint gap brings potential safety hazards for daily driving

Rigorous Multi-stage Factory Testing & Ample Spot Inventory

Each control arm undergoes fatigue reciprocating swing test, high-low temperature cycle aging test, ball joint tightness detection and salt spray anti-corrosion test before delivery, complying with IATF 16949 international automotive quality management standards.

High-quality Upper Control Arm, Left 4M0 407509, Suitable for Q5L & Q8

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High-quality Upper Control Arm, Left 4M0 407509, Suitable for Q5L & Q8

igh-quality Front Left Curved Upper Control Arm 4M0 407509 for Q5L & Q8

Core Selling Points

Hot-selling chassis consumable ideal for bundled one-stop procurement

100% OE precise dimension replication, direct bolt-on installation without modification

Applicable Vehicle Range

Reinforced Durable Structural Design

Restore Precise Steering Response & Solid Chassis Texture

Fully Resolve Typical Suspension Failure Faults

Rigorous Multi-stage Factory Testing & Ample Spot Inventory

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