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- High quality shock absorber 8W0413031 AA for FAW Audi A4 S4 Avant and quattro
- Product Details
- Company Details
Product Specification
|
|
|
|
| Point Of Origin |
Guangdong, China |
Delivery Time |
3-7days |
| Quality |
High quality |
Brand |
Boigevis |
| Payment Terms |
Western Union,T/T,D/P,D/A,L/C |
Warranty |
12 Months |
| Packaging Details |
Normal |
Item Name |
Shock absorber |
| OE NO. |
8W0413031 AA |
Packing |
Boigevis packing |
| Shipping Way |
DHL UPS FEDEX EMS TNT |
Size |
Standard size |
| Car Model |
for FAW Audi A4 S4 Avant and quattro |
Model Number |
8W0413031 AA |
| Place of Origin |
China |
Brand Name |
Boigevis |
High quality shock absorber 8W0413031 AA for FAW Audi A4 S4 Avant and quattro
This premium nitrogen twin-tube front suspension strut with OE number 8W0 413 031 AA is a mainstream suspension replacement component for domestic FAW Audi A4, S4 Avant and all quattro all-wheel-drive B9 chassis models. It maintains stable repeat bulk orders in domestic and global luxury VAG auto aftermarket, widely stocked by professional Audi repair garages and cross-border auto parts wholesalers. One-stop bundled purchasing is available with front coil springs, top strut mount bearings, dust boot & bump stop kits, stabilizer links and complete front suspension overhaul kits.
Standard Passive Suspension Component for Consolidated Bulk Orders
This gas-filled twin-tube front shock strut is mounted on the front axle to restrain spring rebound and deliver stable fixed damping performance for daily city commuting, highway and long-distance driving. It withstands long-term road impact, gravel splashes, road salt corrosion and seasonal high-low temperature alternation.
Common aging defects of worn shock absorbers: hydraulic oil seepage on cylinder outer wall, cracked composite fluorine rubber oil seals, fractured PU buffer blocks and attenuated internal damping force.
Defective shock absorbers trigger multiple driving safety hazards: repeated front-end bouncing after passing speed bumps, obvious body roll during high-speed cornering, metal clunk noise from front wheel arches, cupped irregular front tire wear and severe nose diving during emergency braking. Most distributors match this shock absorber with full supporting suspension accessories for unified bulk orders, cutting cross-border logistics and procurement costs while securing stable profit margins all year round.
100% OEM Precise Matching, Direct Bolt-On Installation Without Modification
Manufactured strictly in accordance with Volkswagen Group ETKA OEM technical standards. The cylinder tube length, piston rod stroke, top pin mounting structure and 53mm bottom clamping size fully match genuine 8W0413031AA.
Cross-reference interchange OE codes: 8W0413031AB, 8W0413031AJ, 8W0413031AK, 8W0413031AL
Fitment restriction: Only applicable to factory standard passive coil spring suspension systems; incompatible with EDC electronic adjustable suspension and air suspension configurations. No wire cutting or ECU coding adjustment required during replacement. It perfectly fits factory front suspension mounting positions and greatly shortens front axle disassembly maintenance hours.
Full Compatible Vehicle List
- Domestic FAW Audi A4L B9 sedan / A4 Avant (2017–2025) FWD & quattro all-wheel drive standard suspension
- FAW & Imported Audi S4 B9 sedan / S4 Avant quattro (2017–2025)
- Shared platform models: Audi A5 F5, S5 Sportback/Cabriolet
Matching Powertrains
2.0T EA888 turbo gasoline engines, 3.0T V6 turbo for S4, 2.0T mild hybrid power units
Installation Position
Front left & front right gas suspension strut, matched with standard solid front brake disc vehicles
Optimized Heavy-Duty Structural Design
- High-pressure nitrogen sealed twin-tube structure: Balanced compression and rebound damping performance, reliable anti-fade performance during long-distance highway and mountain driving
- Seamless cold-drawn cylinder tube + hard chrome plated piston rod: Wear-resistant and rust-proof, effectively prevent hydraulic oil leakage under frequent suspension compression
- Multi-layer fluorine rubber composite oil seal: Resist hydraulic oil erosion and high-low temperature anti-aging to extend overall service life
- Integrated yellow PU impact buffer + textile reinforced dust boot: Block gravel scratches on the piston rod and eliminate metal collision noise at full suspension compression stroke
- Galvanized anti-corrosion top pin and bottom clamping bushing: Resist erosion from rain, snow and winter road salt
- Complete one-piece shock strut assembly, supplied with standard installation hardware for direct replacement
Core Vehicle Handling & Riding Comfort Functions
- Output stable fixed damping force to balance soft smooth city cruising and rigid stable high-speed cornering handling for mid-size luxury sedans and performance Avant wagons
- Suppress excessive spring rebound after hitting road bumps, eliminate continuous front-end floating shaking
- Reduce front body tilt during sharp lane changes and turning, improve vehicle road holding and driving safety
- Filter harsh road vibration transmitted into the cabin, upgrade premium riding comfort of FAW Audi A4/S4 series
- Prevent irregular cupped wear on front tire treads and extend tire service cycle
- Maintain factory-standard vehicle ride height, avoid unilateral front suspension sinking caused by shock absorber failure
Common Solvable Vehicle Faults
- Front end bounces repeatedly multiple times after crossing speed bumps and potholes
- Obvious metal clunk knocking noise from front wheel arches on uneven roads
- Severe front body tilt and unstable steering during high-speed lane changes
- Visible oil stains and hydraulic leakage on the shock absorber cylinder outer wall
- Cupped scalloped uneven wear on front tire tread surfaces
- Obvious nose diving of the whole vehicle during heavy emergency braking
Brief Step-by-Step Installation Guide
Required Tools
Jack & safety jack stands, torque wrench, spring compressor, flat screwdriver, suspension cleaning spray
- Park vehicle on flat ground, lift front axle and fix firmly with jack stands, remove front wheel.
- Use spring compressor to pre-compress front coil spring to release suspension tension.
- Loosen top pin fixing nut and bottom strut clamping bolt, take out the old shock strut assembly.
- Thoroughly clean rust, brake dust and dirt on suspension mounting brackets and axle contact surfaces.
- Install new 8W0413031AA shock absorber, align top pin and bottom clamping position accurately.
- Tighten all mounting fasteners to factory specified torque values.
- Slowly release the spring compressor, reinstall front wheel and lower vehicle fully to the ground.
- Manually press down front vehicle corners repeatedly for slow compression tests to check abnormal collision noise.
- Complete low-speed road test to verify stable damping performance without bouncing or abnormal noise.
Strict Factory Testing & Stable Spot Supply
Every batch of shock absorbers passes hydraulic leakage test, high-low temperature cyclic aging test and long-cycle vibration fatigue test before export shipment, fully complying with IATF 16949 international automotive industry quality certification standards and Audi OEM production specifications.
Adequate spot inventory supports mixed purchase with front coil springs, top strut mounts, dust boot kits, stabilizer links and complete FAW Audi A4/S4 B9 front suspension service kits. Neutral export carton packaging and private label OEM customized labeling services are available for global wholesale purchasers.
Company Details
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Business Type:
Manufacturer
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Total Annual:
10000000-50000000
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Employee Number:
150~200
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Ecer Certification：
Verified Supplier
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