This Differential Ring and Pinion is precision manufactured to OEM gear ratios and tooth geometry. It distributes torque efficiently between axles, maximizing traction and minimizing wear in commercial trucks.
Excel's broad line of original equipment automotive and light truck/SUV replacement ring & pinion gears, axles, and installation kits offer Richmond's high OEM quality at affordable prices. The Excel product line covers the most popular vehicles on the road today.
- Designed for compatibility with OEM-specified gear oil viscosities, ensuring correct lubrication under all operating conditions.
- Heat-treated alloy steel construction withstands peak torque demands of loaded commercial trucks, preventing gear tooth fatigue and breakage.
- OEM-spec gear ratios preserve intended vehicle speed, performance, and fuel economy characteristics.
- Precision fits to carrier housing bores eliminate shimming uncertainty and simplify installation for experienced drivetrain technicians.
- Precision-machined gears and tight backlash tolerances ensure smooth power transfer and efficient torque distribution between axles.
Information:
DIFFERENTIAL RING & PINION FOR DANA 30 FRONT & DANA 44 REAR NON-RUBICON - RING & PINIONS INCLUDING TIMKEN BEARING KITS; 4.88 RATIO; REQUIRES 3.73 & HIGHER FRONT CARRIER; REQUIRES 3.92 & HIGHER REAR CARRIER; IF CURRENTLY USING A 3.73 RATIO YOU WI
Application Summary:
| Year |
Make/Model |
| 1997-2006 |
Jeep TJ |
| 1997-2006 |
Jeep Wrangler |
| Attributes |
| App/Model |
"Dana 30 TJ, Dana 44 Standard" |
| California Proposition 65 |
WARNING: Cancer - www.P65Warnings.ca.gov |
| Country of Origin (Primary) |
US |
| Cover Bolt Quantity |
10, 10 |
| Differential Case Design Type |
Dana 30, Dana 44, Dana 44, Dana 44 Rear (D44489), Dana 30 TJ, Dana 44 Standard |
| Emission Code |
Legal US |
| Gear Ratio |
4.88 |
| Harmonized Tariff Code (Schedule B) |
8708504110 |
| Hazardous Material Code |
N |
| Life Cycle Status Code |
Available to Order |
| Mounting Location |
Front and Rear |
| NAFTA Preference Criterion Code |
B |
| Pinion Gear Tooth Quantity |
39 Front (D30488TJ), 44 Rear (D44489), 39 Front (D30488TJ), 44 Rear (D44489) |
| Pinion Shaft Diameter |
1.376, 1.376 |
| Pinion Spline Count |
26, 26 |
| Position |
Front and Rear |
| Ratio |
4.88 |
| Ring and Pinion Gear Ratio |
4.88 |
| Ring Gear Bolt Quantity |
10, 10 |
| Ring Gear Diameter |
7.125 Front (D30488TJ), 8.5 Rear (D44489) |
| Ring Gear Material |
8620 Steel, 8620 Steel |
| Ring Gear Outside Diameter |
7.125 Front (D30488TJ), 8.5 Rear (D44489) |
| Ring Gear Rotation |
Standard, Standard |
| Ring Gear Tooth Quantity |
8 Front (D30488TJ), 9 Rear (D44489), 8 Front (D30488TJ), 9 Rear (D44489) |
| SDR Required Flag |
N |
| Taxonomy |
Differential LD |
| Taxonomy A |
LD Differential, LD Differential |
| Taxonomy B |
Ring and Pinion Gear Packages, Ring and Pinion Gear Packages |
| Taxonomy C |
Front and Rear, Front and Rear |
| Taxonomy D |
4.88, 4.88 |
| GTIN |
00698231534670 |
