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OCDIESEL.com
Orange County Diesel, Inc.
17242 Gothard Street
Suite A&B
Huntington Beach, CA 92647

Toll-Free (888) OC DIESEL
Business (714) 848-2170
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Performance Differential

A fast, simple source to buy Performance Differential products at low prices.

Welcome to the leading Performance Differential distributor. OC DIESEL is the number one source for providing diesel performance parts at low prices. Buy now and receive excellent customer service and fast shipping on Performance Differential products! We will settle for nothing less than the best.

OC DIESEL offers a wide selection of Performance Differential products for most diesel truck, motorhome, and RV owners. Experience the benefits of increased gear lubrication and engine performance with our Performance Differential selection. Whether your diesel is used for recreation, heavy towing, daily driving, drag racing, sled pulling, or mud bogging; the addition of Performance Differential products can provide optimum fluid capacity, keeping gears lubricated and cool while making fluid service easier.

Use our easy online check out and purchase your Performance Differential now or call us at (714) 848-2170 for more Performance Differential information.

Axle Upgrade Kit Differential Cover

Axle Upgrade Kit

Differential Cover
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3 7/8 Inch Rear Wheel Differential Cover - 6 Qts - MHT 12-10.25and.5 3 3/4 Inch Rear Wheel Differential Cover - 6 Qts - MHT AA14-10.5 3 5/8 Inch Rear Wheel Differential Cover - 8 Qts - MHT AA14-11.5
3 7/8 inch Rear Wheel Differential Cover - 6 Qts
List Price: $260.00
Advertised Price: $247.00
You save $13.00! 		3 3/4 inch Rear Wheel Differential Cover - 6 Qts
List Price: $285.00
Advertised Price: $270.75
You save $14.25! 		3 5/8 inch Rear Wheel Differential Cover - 8 Qts
List Price: $285.00
Advertised Price: $270.75
You save $14.25!

86-10 7.3L, 6.0L, 6.4L
Ford Powerstroke
03-04 5.9L Dodge Cummins
80-00 6.2L, 6.5L, GM Trucks
04.5-11 5.9L, 6.7L Dodge Cummins
01-11 6.6L GM Duramax
3 7/8 Inch Front Wheel Differential Cover - 5 Qts - MHT FFD-60 3 5/8 Inch Front Wheel Differential Cover - 4 Qts - MHT AA14-9.25 3 5/8 Inch Front Wheel Differential Cover - 4.5 Qt - MHT DANA 60-DF
3 7/8 inch Front Wheel Differential Cover - 5 Qts
List Price: $255.00
Advertised Price: $242.25
You save $12.75! 		3 5/8" Front Wheel Differential Cover - 4 Qts
List Price: $285.00
Advertised Price: $270.75
You save $14.25! 		3 5/8" Front Wheel Differential Cover - 4.5 Qt
List Price: $275.00
Advertised Price: $261.25
You save $13.75!

88-98 7.3L Ford Powerstroke
03-11 5.9L, 6.7L Dodge Cummins
80-11 6.2L, 6.5L, 6.6L GM Duramax
89-02 5.9L Dodge Cummins
3 7/8 Inch Front Wheel Differential Cover - 4 Qts - MHT DANA 60-FF 4 1/8 Inch Rear Wheel Differential Cover - 6 Qts - MHT DANA #70 4 1/8 Inch Rear Wheel Differential Cover - 8 Qts - MHT DANA 80
3 7/8" Front Wheel Differential Cover - 4 Qts
List Price: $275.00
Advertised Price: $261.25
You save $13.75! 		4 1/8" Rear Wheel Differential Cover - 6 Qts
List Price: $250.00
Advertised Price: $237.50
You save $12.50! 		4 1/8" Rear Wheel Differential Cover - 8 Qts
List Price: $255.00
Advertised Price: $242.25
You save $12.75!

88-10 7.3L, 6.0L, 6.4L Ford Powerstroke
94-02 5.9L Dodge Cummins
94-02 5.9L Dodge Cummins
99-07 7.3L, 6.0L Ford Powerstroke
F-350, F-450 Dually
Cognito Differential Mount Conversion - COG DMCBK8 Dynatrac 35-Spline Inner Shaft Kit - DYN CR60-2X3219-A Dynatrac 35-Spline Inner Shaft Kit - DYN CR60-2X3219-B
Cognito Differential Mount Conversion
List Price: $175.00
Advertised Price: $166.25 		Dynatrac 35-Spline Inner Shaft Kit
List Price: $639.00
Advertised Price: $595.00
You save $44.00! 		Dynatrac 35-Spline Inner Shaft Kit
List Price: $639.00
Advertised Price: $595.00
You save $44.00!

01-10 6.6L GM Duramax
00-02 5.9L Dodge Cummins
Ram 2500, 3500 - 4WD
Stage 2
94-99 5.9L Dodge Cummins
Ram 2500, 3500 - 4WD
Stage 2
Dynatrac Free-Spin Heavy-Duty Hub Conversion Kit - DYN CR60-3X1104-A Dynatrac Free-Spin Heavy-Duty Hub Conversion Kit - DYN CR60-3X1104-B Dynatrac Free-Spin Heavy-Duty Hub Conversion Kit - DYN CR60-3X1104-E
Dynatrac Free-Spin Heavy-Duty Hub Conversion Kit
List Price: $2,149.00
Advertised Price: $1,989.00
You save $160.00! 		Dynatrac Free-Spin Heavy-Duty Hub Conversion Kit
List Price: $2,149.00
Advertised Price: $1,989.00
You save $160.00! 		Dynatrac Free-Spin Heavy-Duty Hub Conversion Kit
List Price: $2,489.00
Advertised Price: $2,359.00
You save $130.00!

00-08 5.9L, 6.7L Dodge Cummins
Ram 2500, 3500 - 4WD
Stage 1 (ABS Included)
94-99 5.9L Dodge Cummins
Ram 2500, 3500 - 4WD
Stage 1 (ABS Not Supported)
00-08 5.9L, 6.7L Dodge Cummins
Ram 2500, 3500 - 4WD
Stage 1 with DynaLocs
(ABS Included)
Dynatrac Free-Spin Heavy-Duty Hub Conversion Kit - DYN FO60-3X1104-A Dynatrac Free-Spin Heavy-Duty Hub Conversion Kit - DYN FO60-3X1104-B Dynatrac Free-Spin Heavy-Duty Hub Conversion Kit - DYN FO60-3X1104-C
Dynatrac Free-Spin Heavy-Duty Hub Conversion Kit
List Price: $2,149.00
Advertised Price: $1,989.00
You save $160.00! 		Dynatrac Free-Spin Heavy-Duty Hub Conversion Kit
List Price: $2,149.00
Advertised Price: $1,989.00
You save $160.00! 		Dynatrac Free-Spin Heavy-Duty Hub Conversion Kit
List Price: $2,279.00
Advertised Price: $2,159.00
You save $120.00!

99-04 7.3L, 6.0L Ford Powerstroke
F-250, F-350 - 4WD
Coarse Studs
99-04 7.3L, 6.0L Ford Powerstroke
F-250, F-350 - 4WD
Fine Studs
05-08 6.0L, 6.4L Ford Powerstroke
F-250, F-350 - 4WD SRW
Dynatrac Free-Spin Heavy-Duty Hub Conversion Kit - DYN FO60-3X1104-D Dynatrac Free-Spin Heavy-Duty Hub Conversion Kit - DYN FO60-3X1104-E Dynatrac Free-Spin Heavy-Duty Hub Conversion Kit - DYN FO60-3X1104-F
Dynatrac Free-Spin Heavy-Duty Hub Conversion Kit
List Price: $2,239.00
Advertised Price: $2,025.00
You save $214.00! 		Dynatrac Free-Spin Heavy-Duty Hub Conversion Kit
List Price: $2,289.00
Advertised Price: $2,094.00
You save $195.00! 		Dynatrac Free-Spin Heavy-Duty Hub Conversion Kit
List Price: $2,639.00
Advertised Price: $2,529.00
You save $110.00!

99-04 7.3L, 6.0L Ford Powerstroke
F-250, F-350 - 4WD
Fine &Coarse Studs
99-04 7.3L, 6.0L Ford Powerstroke
F-450, F-550 - 4WD
Uses Stock Wheel Adapters
05-08 6.0L, 6.4L Ford Powerstroke
F-250, F-350 - 4WD SRW
DynaLocs Included
Dynatrac Free-Spin Heavy-Duty Hub Conversion Kit - DYN FO60-3X1104-G Dynatrac Free-Spin Heavy-Duty Hub Conversion Kit - DYN FO60-3X1104-H Dynatrac Free-Spin Heavy-Duty Hub Conversion Kit - DYN FO60-3X1104-I
Dynatrac Free-Spin Heavy-Duty Hub Conversion Kit
List Price: $2,499.00
Advertised Price: $2,391.00
You save $108.00! 		Dynatrac Free-Spin Heavy-Duty Hub Conversion Kit
List Price: $2,489.00
Advertised Price: $2,359.00
You save $130.00! 		Dynatrac Free-Spin Heavy-Duty Hub Conversion Kit
List Price: $2,489.00
Advertised Price: $2,359.00
You save $130.00!

99-04 7.3L, 6.0L Ford Powerstroke
F-250, F-350 - 4WD
Fine & Coarse Studs
DynaLocs Included
99-04 7.3L, 6.0L Ford Powerstroke
F-250, F-350 - 4WD
Fine Studs & DynaLocs
99-04 7.3L, 6.0L Ford Powerstroke
F-250, F-350 - 4WD
Coarse Studs & DynaLocs
Dynatrac Free-Spin Heavy-Duty Hub Conversion Kit - DYN FO60-3X1104-J ATS Diesel Rear Differential Cover - ATS-4029003068 ATS Diesel Rear Differential Cover - ATS-4029156248
Dynatrac Free-Spin Heavy-Duty Hub Conversion Kit
List Price: $2,599.00
Advertised Price: $2,459.00
You save $140.00! 		ATS Diesel Rear Differential Cover - 4029003068
List Price: $258.88
Advertised Price: $258.88 		ATS Diesel Rear Differential Cover - 4029156248
List Price: $258.88
Advertised Price: $258.88

99-04 7.3L, 6.0L Ford Powerstroke
F-450, F-550 - 4WD
DynaLocs Included
Uses Stock Wheel Adapters
1986-2007 7.3L Ford Powerstroke
2003-2009 5.9L, 6.7L Dodge Cummins

2001-2009 6.6L GM Duramax LB7, LLY, LBZ, LMM
ATS Diesel Rear Differential Cover - ATS-4029671000 ATS Diesel Rear Differential Cover - ATS-4029805116 aFe Differential Cover - aFe-46-70011
ATS Diesel Rear Differential Cover - 4029671000
List Price: $258.88
Advertised Price: $258.88 		ATS Diesel Rear Differential Cover - 4029805116
List Price: $258.88
Advertised Price: $258.88 		aFe Differential Cover - aFe-46-70011
List Price: $356.25
Advertised Price: $285.00
You save $71.25!

1994-2002 5.9L Dodge Cummins
1994-2002 5.9L Dodge Cummins
Dodge Trucks, 03-Up 5.9L (td)
   
 

Need Professional Diesel Performance Differential Installation?

OC DIESEL offers Professional Diesel Performance Differential Installation, Service, Diagnostic & Repair.

Other Professional OC DIESEL Services include:

  • 30,000 Mile Preventative Maintenance Service
  • 60,000 Mile Preventative Maintenance Service
  • 90,000 Mile Preventative Maintenance Service
  • FLEET Account Maintenance & Service
  • Transmission Fluid & Filter Flush Service
  • Engine Oil & Filter Service
  • Coolant Flush Service
  • Differential Gear Fluid Service
  • Ring & Pinion Ratio Modification
  • Air Condition & HVAC Service
  • Wheel Alignment Service
  • Shock Repair Service
  • Steering & Brake Service
  • Tire Mount & Balance Service
  • Suspension Lift Kit Installation, Modification & Repair
  • JK Jeep Suspension Installation, Modification & Repair
  • Custom Fabrication, Welding & Machining Service
  • EFI Live ECM Mapping Service
  • High Performance Diesel Service
  • Motorhome & RV Service & Repair

We're ready to take your call 8am to 5pm PST Monday through Friday.

Please call (888) OC DIESEL or (714) 848-2170.

Email Service Inquiries to: service@ocdiesel.com