China Tesla Model Y Rear Halfshaft Assembly 28mm x 580mm 1188165-99-A for sale

Tesla Model Y Rear Halfshaft Assembly 28mm x 580mm 1188165-99-A

Price Negotiable

Price: Negotible

MOQ: 1

Delivery Time: 5-10 work days

Brand: CFN

Product Description

HALFSHAFT ASSEMBLY - REAR - 28MM X 580MM SHAFT LEFT/RIGHT 1188165-99-A: Precision Power for Tesla Model Y

The rear halfshaft is the critical link between your Tesla's drive unit and rear wheels, translating electric motor torque into smooth, responsive motion. The 1188165-99-A Halfshaft Assembly—engineered for Tesla Model Y (2021-present)—delivers this power with surgical precision, thanks to its 28mm diameter and 580mm length that perfectly match the vehicle's drivetrain geometry.

Core Specifications

Feature	Detail
Part Number	1188165-99-A
Compatible Models	Tesla Model Y (2021-present)
Dimensions	28mm diameter × 580mm length
Position	Rear (left/right universal fit)
Material	High-strength alloy steel
Torque Rating	Rated for Model Y's 346lb-ft max torque
Certification	IATF 16949 automotive standards

Engineering for Electric Performance

Unlike traditional ICE vehicle halfshafts, this assembly is optimized for the instant torque delivery of Tesla's electric motors. The 28mm alloy steel shaft—3mm larger than earlier 25mm versions—handles the higher torque loads of dual-motor configurations while maintaining a 15% weight advantage over comparable steel shafts. Its precision-machined splines ensure zero backlash during acceleration or regenerative braking, eliminating the "clunk" common in aftermarket alternatives.

Sealed CV Joints: All-Weather Reliability

Equipped with dual Constant Velocity (CV) joints, the assembly maintains consistent power transfer even at full steering lock. The outer joint features a heat-resistant neoprene boot filled with high-temperature molybdenum grease, tested to withstand -40°C to 120°C operating ranges. This 密封设计 (sealed design) prevents contamination from road salt, mud, and water—critical for preserving performance in harsh climates. Each joint undergoes 10,000+ rotation cycles at max load during quality testing, ensuring 150,000+ km service life.

Universal Fit, OEM-Grade Installation

Designed for both left and right rear positions, this assembly simplifies inventory and replacement. Installation follows Tesla's exacting standards:

Torque axle nut to 245 Nm using a 32mm socket
Apply Molykote M-77 paste to hub mating face (avoid splines)
Use new lock washers (included) to prevent loosening under vibration

Professional technicians can complete replacement in under 90 minutes, leveraging existing mounting points without modifications.

Why It Matters for Your Model Y

A worn halfshaft manifests in symptoms like vibration under acceleration, clicking during turns, or uneven power distribution—all of which compromise efficiency and safety. This assembly restores:

Smooth power delivery across all speed ranges
Proper torque vectoring during cornering
Optimal regenerative braking performance
Reduced drivetrain noise (3dB quieter than worn units)

Backed by a 24-month warranty, 1188165-99-A is certified to meet Tesla's strict durability standards, including 500 hours of salt spray testing and 100,000km road simulation.

Investment in Long-Term Value

Priced at approximately 15,195 SEK (OEM equivalent), this halfshaft represents a cost-effective alternative to dealership replacements while maintaining OE quality. For Model Y owners seeking to preserve their vehicle's performance and resale value, it's the only choice that balances strength, precision, and electric drivetrain optimization.

Ensure your Tesla continues to deliver that signature instant acceleration and silent operation. Choose 1188165-99-A—where engineering meets electric performance.

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Guangzhou Fuheng Auto Parts Supply Chain Co., Ltd.

Location 2-4 Yunquan Zhi Street, Guangyuan East Road, Yuexiu District, Guangzhou City

Contact Person HU

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Tesla Model Y Rear Halfshaft Assembly 28mm x 580mm 1188165-99-A

HALFSHAFT ASSEMBLY - REAR - 28MM X 580MM SHAFT LEFT/RIGHT 1188165-99-A: Precision Power for Tesla Model Y

Core Specifications

Engineering for Electric Performance

Sealed CV Joints: All-Weather Reliability

Universal Fit, OEM-Grade Installation

Why It Matters for Your Model Y

Investment in Long-Term Value

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