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MAS Chassis B9643 Suspension Ball Joint - Front Lower
| Brand | MAS Chassis B9643 |
|---|---|
| Position | Front Lower |
| Adjustable | No |
| Attachment Type | Threaded |
| Bearing Material | Polymer |
| Bolts/Studs Included | No |
| Castle Nut Included | Yes |
| Cotter Pin Hole | Yes |
| Dust Boot Material | Rubber |
| Greaseable | No |
| Housing Press Fit Diameter | 42 mm |
| Material | Steel |
| Mounting Hardware Included | Yes |
| Mounting Hole Quantity | 0 |
| Mounting Type | Press |
| Package Contents | 1 Ball Joint; 1 Castle Nut; 1 Cotter Pin; 1 Snap Ring |
| Stud Thread Diameter | 12 |
| Stud Type | Threaded |
| Suspension Grade Type | Standard |
| Thread Pitch | 1.25 |
| Fits | Acura, Honda, and Isuzu · 32 vehicles |
OE replacement. Precision-engineered and rigorously tested for reliable original-equipment fit.
Steel construction. Built with a rubber dust boot and polymer bearing for durable service.
Complete hardware included. Comes with a castle nut, cotter pin, and snap ring for installation.
Cross-references Centric Parts 610.40003, Delphi TC683 and Mevotech Original Grade GK9643 for the same application. See all 13.
Front Lower Ball Joint for Acura, Honda, and Isuzu
MAS Chassis B9643 is a steel suspension ball joint built as a direct replacement for the original equipment design on select Acura, Honda, and Isuzu vehicles. It is engineered for front lower suspension service and includes the castle nut, cotter pin, snap ring, and mounting hardware specified in the product data.
Key Features
- Steel construction for suspension service durability
- Press-in mounting type with a 42 mm housing press fit diameter
- Threaded stud with 12 mm stud thread diameter and 1.25 thread pitch
- Rubber dust boot helps protect the joint from road contamination
- Polymer bearing material for standard suspension operation
- Castle nut and cotter pin hole included for secure fastening
- Standard suspension grade type for OE-style replacement use
- Not greaseable and not adjustable
Detailed Description
MAS Chassis B9643 is a front lower suspension ball joint designed for vehicles that use a press-fit joint in the lower control arm. It is a direct replacement for applications including 1990-2002 Honda Accord, 1995-1998 Honda Odyssey, 1997-1999 Acura CL, 1999-2003 Acura TL, and 1996-1999 Isuzu Oasis. This part number, B9643, is also cross-referenced to MOOG Chassis Products K9643 for the same application.
The joint uses a steel housing, threaded stud attachment, and rubber dust boot to support everyday suspension movement while helping maintain proper steering and wheel control. B9643 is a practical replacement choice when servicing worn front lower ball joints on Honda Accord, Honda Odyssey, Acura CL, Acura TL, and Isuzu Oasis models.
What This Part Helps Address
- Front-end looseness or play from a worn lower ball joint
- Clunking or knocking noises from the front suspension
- Uneven tire wear related to suspension joint wear
- Steering wander or reduced directional stability
- Inspection failure caused by excessive ball joint movement
Installation Notes and Tips
This is a press-fit suspension ball joint, so proper removal and installation tools are required. Confirm the 42 mm housing press fit diameter, 12 mm stud thread diameter, and 1.25 thread pitch before installation. Always follow the vehicle service procedure for the specific Honda, Acura, or Isuzu application, and verify front lower placement before assembly.
Quality Assurance
According to the manufacturer, this suspension ball joint is precision-engineered and rigorously tested to serve as a reliable replacement for the original equipment on the listed vehicles. MAS Chassis B9643 is built to standard suspension specifications for consistent fit and function.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2003 | Acura | CL | Front Lower | — |
| 2003 | Acura | TL | Front Lower | — |
| 2002 | Acura | CL | Front Lower | — |
| 2002 | Acura | TL | Front Lower | — |
| 2002 | Honda | Accord | Front Lower | — |
| 2001 | Acura | CL | Front Lower | — |
| 2001 | Acura | TL | Front Lower | — |
| 2001 | Honda | Accord | Front Lower | — |
| 2000 | Acura | TL | Front Lower | — |
| 2000 | Honda | Accord | Front Lower | — |
| 1999 | Acura | CL | Front Lower | — |
| 1999 | Acura | TL | Front Lower | — |
| 1999 | Honda | Accord | Front Lower | — |
| 1999 | Isuzu | Oasis | Front Lower | — |
| 1998 | Acura | CL | Front Lower | — |
| 1998 | Honda | Accord | Front Lower | — |
| 1998 | Honda | Odyssey | Front Lower | — |
| 1998 | Isuzu | Oasis | Front Lower | — |
| 1997 | Acura | CL | Front Lower | — |
| 1997 | Honda | Accord | Front Lower | — |
| 1997 | Honda | Odyssey | Front Lower | — |
| 1997 | Isuzu | Oasis | Front Lower | — |
| 1996 | Honda | Accord | Front Lower | — |
| 1996 | Honda | Odyssey | Front Lower | — |
| 1996 | Isuzu | Oasis | Front Lower | — |
| 1995 | Honda | Accord | Front Lower | — |
| 1995 | Honda | Odyssey | Front Lower | — |
| 1994 | Honda | Accord | Front Lower | — |
| 1993 | Honda | Accord | Front Lower | — |
| 1992 | Honda | Accord | Front Lower | — |
| 1991 | Honda | Accord | Front Lower | — |
| 1990 | Honda | Accord | Front Lower | — |
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