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Dorman 930-621 Wheel Bearing and Hub Assembly - Front or Rear
| Brand | Dorman 930-621 |
|---|---|
| Position | Front |
| Anti Lock Braking System | Yes |
| Anti Lock Braking System Type | Sensor |
| Bolt Circle Diameter | 4.52 in |
| Brake Pilot Diameter | 3.6 |
| Connector Gender | Male |
| Connector Quantity | 1 |
| Connector Terminal Quantity | 2 |
| Flange Bolt Hole Diameter | 0.4 |
| Flange Bolt Hole Quantity | 3 |
| Flange Bolts Included | No |
| Flange Diameter | 4.53 |
| Flange Offset | 1.66 |
| Flange Shape | Triangular |
| Hub Pilot Diameter | 2.78 |
| Package Contents | Hub Bearing Assembly |
| Spline Quantity | 33 |
| Terminal Gender | Male |
| Wheel Pilot Diameter | 2.76 |
| Wheel Stud Quantity | 6 |
| Wheel Stud Size | 12 |
| Wheel Studs Included | Yes |
| Fits | Chevrolet, Pontiac, Buick, and Saturn · 20 vehicles |
Complete repair. Hub and critical bearing components are included for a complete replacement.
ABS sensor type. Integrated anti-lock braking system sensor connection for reliable signal handling.
Wheel studs included. Ready with studs and hub bearing assembly for a more complete install.
Cross-references MOOG Hub Assemblies 513236, 12413247 and WE61536 for the same application. See all 3.
Dorman 930-621 Wheel Bearing and Hub Assembly
Dorman 930-621 is a replacement wheel bearing and hub assembly for specific Chevrolet Uplander, Pontiac Montana, Buick Terraza, and Saturn Relay applications. It combines the hub and critical bearing replacement components into one repair solution for front or rear positions where listed.
Key Features
- Replacement wheel bearing and hub assembly for select GM minivan applications
- Includes the hub and critical bearing replacement components for a complete repair
- ABS sensor type design with one male connector and two male terminals
- Triangular flange shape with three flange bolt holes
- 33-spline hub design with six wheel studs included
- Wheel pilot diameter: 2.76 in; hub pilot diameter: 2.78 in
- Brake pilot diameter: 3.6 in; bolt circle diameter: 4.52 in
Detailed Description
This Dorman wheel bearing and hub assembly, part number 930-621, is built for direct replacement on select 2006-2009 Chevrolet Uplander front applications, 2006-2009 Pontiac Montana front applications, 2006-2007 Buick Terraza front applications, and 2006-2007 Saturn Relay front applications. It also fits 2006 Buick Terraza rear, 2006 Chevrolet Uplander rear, 2006 Pontiac Montana rear, and 2006 Saturn Relay rear positions. The assembly is configured with ABS sensor provisions, a 33-spline hub, and the specified flange and pilot dimensions needed for the listed vehicles. This part cross-references MOOG Hub Assemblies 513236 for the same application.
What It Helps Resolve
- Wheel bearing noise from a worn hub assembly
- ABS warning light concerns related to hub sensor failure
- Wheel looseness or play at the hub
- Uneven wheel rotation caused by bearing wear
- Hub mounting issues on the listed Chevrolet Uplander, Pontiac Montana, Buick Terraza, and Saturn Relay applications
Installation Notes and Tips
Verify front or rear position before installation, since fitment varies by vehicle and model year. Confirm spline count, flange bolt pattern, pilot diameters, and ABS connector style against the original part before service. For 2006-2009 Chevrolet Uplander front and rear applications, 2006-2009 Pontiac Montana front applications, 2006-2007 Buick Terraza front applications, and 2006-2007 Saturn Relay front applications, match the existing hub configuration to ensure proper fit.
Quality Assurance
Dorman replacement hub assemblies are built to match the listed application requirements and dimensional specifications for service on the covered vehicles. Part number 930-621 is intended as a direct-fit replacement for the specified GM platforms.
| Year | Make | Model | Drive Type | Position | Notes |
|---|---|---|---|---|---|
| 2009 | Chevrolet | Uplander | — | Front | — |
| 2009 | Pontiac | Montana | — | Front | — |
| 2008 | Chevrolet | Uplander | — | Front | — |
| 2008 | Pontiac | Montana | — | Front | — |
| 2007 | Buick | Terraza | — | Front | — |
| 2007 | Chevrolet | Uplander | — | Front | — |
| 2007 | Pontiac | Montana | — | Front | — |
| 2007 | Saturn | Relay | — | Front | — |
| 2006 | Buick | Terraza | FWD | Front | — |
| 2006 | Buick | Terraza | AWD | Front | — |
| 2006 | Buick | Terraza | AWD | Rear | — |
| 2006 | Chevrolet | Uplander | FWD | Front | — |
| 2006 | Chevrolet | Uplander | AWD | Front | — |
| 2006 | Chevrolet | Uplander | AWD | Rear | — |
| 2006 | Pontiac | Montana | FWD | Front | — |
| 2006 | Pontiac | Montana | AWD | Front | — |
| 2006 | Pontiac | Montana | AWD | Rear | — |
| 2006 | Saturn | Relay | FWD | Front | — |
| 2006 | Saturn | Relay | AWD | Front | — |
| 2006 | Saturn | Relay | AWD | Rear | — |
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