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Lower Ball Joint For ISUZU TFR UBR UCR 8944594641 8944594642 8944594643 8-94459464-1 8-94459464-2 8-94459464-3
Upper/Lower Ball Joint for ISUZU trucks .Japan Original Quality / Qingling Genuine （China ISUZU）Quality / and Brand Quality (Aftermarket Quality ) Optional ,One-stop ISUZU truck parts supply OVER 29 YEARS .DM us now .
Description
Front Lower Suspension Ball Joint (OE 8-94459464-1 / 8944594641) for Isuzu TFR, UBR & UCR
Heavy-duty steering knuckle to lower control arm pivot joint engineered for Isuzu 4JB1 and 4ZE1 commercial pickup chassis platforms.
| Component Name: Front Lower Ball Joint (Lower Control Arm to Steering Knuckle) |
| Part Numbers (OE): 8944594641, 8944594642, 8944594643, 8-94459464-1, 8-94459464-2, 8-94459464-3 |
| Truck Model Fit For: Isuzu TFR, UBR, UCR Pickup Chassis Lines |
| Engine Type Fits: 4JB1 Diesel / 4ZE1 Petrol Powertrains |
| Primary Function: Connects the lower control arm to the steering knuckle, supporting vehicle corner weight while providing rotational pivoting for smooth steering and suspension travel |
| Material: Alloy steel housing, forged ball stud, and reinforced polychloroprene rubber boot |
| Place of Original: China |
| Quality Standard: Japan Original Quality / Qingling Genuine (China Isuzu) / Premium Aftermarket Brand Optional |
| Color / Finish: Corrosion-resistant metallic body with black protective boot as shown |
| MOQ: 2 Pieces (Left and right side paired replacement) |
| Packing: Neutral box / color box / customer brand package |
| Shipping: By Express, By Sea, By Air, By Railway (Worldwide shipping) |
| Delivery Time: 1 to 8 working days from central inventory |
| Payment: TT, PayPal, Western Union, Trade Assurance |
| Warranty: 1 Year Factory Warranty |
On double-wishbone independent front suspensions (such as the Isuzu TFR and UCR series), the lower ball joint operates under direct compression load, carrying vehicle weight and taking constant impact from rough road surfaces. In contrast to the upper joint which mainly guides alignment, lower ball joints wear faster and require regular inspection for radial and axial play.
When replacing lower ball joints, inspect the tapered mounting bore on the steering knuckle for out-of-round wear. Always torque the castle nut to factory specifications and secure it with a new cotter pin to avoid looseness during high-speed transit.
Front Suspension System Layout: Demonstrates the independent suspension architecture connecting the coil spring, shock absorber, upper/lower control arms, stabilizer link, and tie rod ends to the wheel hub. The lower ball joint anchors the bottom pivot axis to keep tires firmly planted.
Ball Joint Internal Design & Lubrication: Shows the internal ball stud seating, carbon bearing cup, and lube plug configuration. The load-bearing lower joint features a heavy-duty forged steel housing and greasable socket to maintain smooth angular articulation under high compression loads.
Knuckle Interface & Dust Boot Sealing: Illustrates the ball joint stud secured to the steering knuckle by a castle nut. The high-flexibility rubber dust boot encloses the grease cavity, preventing water, grit, and road salt from causing premature internal socket abrasions.
Common Signs of Ball Joint Failure: Real workshop comparison showing badly worn ball joints with split boots, rust contamination, and neck play. Typical failure symptoms include front-end clunking over bumps, steering wander, and accelerated inner tire edge wear.
Source matched chassis overhaul hardware together for consolidated international shipping:
 Lower Ball Joint |
 Upper Ball Joint |
 Front Control Arm |
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Operating out of Chongqing near China's main Qingling Isuzu production facilities since 1997, our depot specializes in distributing commercial pickup and truck chassis hardware. We stock complete suspension linkages, steering knuckles, and driveline assemblies for global fleet maintenance. Review our warehouse export operations » |
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Chongqing Guanglian Technical Inquiries & Orders
Send your vehicle chassis VIN, front axle model, or ball joint OE reference to our sales engineers for fast cross-referencing and bulk shipping quotations.
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