Eaton Detroit Truetrac Differential 35 Spline 1.50in Axle Shaft Dia 4.56 & Up Ratio Rear Dana 60
Fits 1985–1991 Chevrolet Astro, 1975–1991 Chevrolet G10 / G20 / G30 and more
All 169 applications- Authorized dealerGenuine Eaton parts, sourced direct
- 30-day returnsSee the return policy
- Diesel techs on the line908-223-9744, call or text
- Secure checkout
The Detroit Truetrac is a helical-gear style, limited-slip differential that maximizes wheel traction and enhances driving characteristics. Maintenance-free, it features smooth, automatic operation in forward and reverse. Its versatility makes Detroit Truetrac the ideal traction solution for almost any type of vehicle.
- Optimized Torque Bias Ratios Deliver Max Acceleration And Handling
- No Special Lubrication Or Friction Modifiers Needed
- Helical Gear Limited Slip Differential
- Durable; Smooth; Quiet Operation
- Works In Forward And Reverse
- Ideal For Most Vehicles
- Automatic Engagement
- Brand
- Eaton
- Part number
- 915A386
- SKU
- EAT915A386
- Category
- Differentials
- Weight
- 30.0 lb
- Shipping
- Ground, ships in 1 to 2 business days
- 1985–1991Chevrolet Astro
- 1975–1991Chevrolet G10
- 1973–1974Chevrolet G10 Van
- 1975–1991Chevrolet G20
- 1973–1974Chevrolet G20 Van
- 1975–1991Chevrolet G30
- 1973–1974Chevrolet G30 Van
- 1990–1991Chevrolet Lumina APV
- 1966–1971Chrysler 300
- 1966–1972Chrysler Imperial
- 1966–1972Chrysler New Yorker
- 1966–1972Chrysler Newport
- 1966–1972Chrysler Town & Country
- 1970–1972Dodge Challenger
- 1966–1972Dodge Charger
- 1971–1972Dodge Colt
- 1966–1972Dodge Coronet
- 1966–1972Dodge Dart
- 1966–1972Dodge Monaco
- 1966–1972Dodge Polara
- 1975–1978GMC G15
- 1973–1974GMC G15/G1500 Van
- 1979–1991GMC G1500
- 1975–1978GMC G25
- 1973–1974GMC G25/G2500 Van
- 1979–1991GMC G2500
- 1975–1978GMC G35
- 1973–1974GMC G35/G3500 Van
- 1979–1991GMC G3500
- 1974GMC P35/P3500 Van
- 1985–1991GMC Safari
- 1973–1974GMC Transmode
- 1966–1972Plymouth Barracuda
- 1966–1971Plymouth Belvedere
- 1966–1967Plymouth Belvedere II
- 1971–1972Plymouth Cricket
- 1970–1972Plymouth Cuda
- 1970–1972Plymouth Duster
- 1966–1972Plymouth Fury
- 1968–1972Plymouth Fury I
- 1966–1972Plymouth Fury II
- 1966–1972Plymouth Fury III
- 1967–1971Plymouth GTX
- 1972Plymouth Gran Fury
- 1968–1972Plymouth Road Runner
- 1966–1972Plymouth Satellite
- 1971–1972Plymouth Scamp
- 1970Plymouth Superbird
- 1967Plymouth VIP
- 1966–1972Plymouth Valiant
| Years | Make | Model | Submodel |
|---|---|---|---|
| 1966–1967 | Chrysler | Imperial | Base |
| 1966–1970 | Chrysler | Imperial | Crown |
| 1966–1972 | Chrysler | Imperial | LeBaron |
| 1966–1972 | Chrysler | New Yorker | Base |
| 1972 | Chrysler | New Yorker | Brougham |
| 1966–1971 | Chrysler | Newport | Base |
| 1967–1972 | Chrysler | Newport | Custom |
| 1966–1968 | Dodge | Dart | 270 |
| 1966–1972 | Dodge | Dart | Base |
| 1969–1972 | Dodge | Dart | Custom |
| 1971–1972 | Dodge | Dart | Demon |
| 1971–1972 | Dodge | Dart | Demon 340 |
| 1966–1969 | Dodge | Dart | GT |
| 1968–1969 | Dodge | Dart | GTS |
| 1971–1972 | Dodge | Dart | Special |
| 1969–1972 | Dodge | Dart | Swinger |
| 1966–1972 | Plymouth | Barracuda | Base |
| 1970–1971 | Plymouth | Barracuda | Gran Coupe |
| 1966–1971 | Plymouth | Belvedere | Base |
| 1968–1971 | Plymouth | Belvedere | Satellite |
| 1966–1967 | Plymouth | Belvedere II | Base |
| 1971–1972 | Plymouth | Cricket | Base |
| 1970–1972 | Plymouth | Cuda | Base |
| 1966–1972 | Plymouth | Valiant | Base |
| 1966–1969 | Plymouth | Valiant | Signet |
| 1967 | Plymouth | VIP | Base |
| 1966 | Dodge | Coronet | Base |
| 1970–1972 | Dodge | Coronet | Base |
| 1971 | Dodge | Coronet | Brougham |
| 1971–1972 | Dodge | Coronet | Crestwood |
| 1971–1972 | Dodge | Coronet | Custom |
| 1966–1970 | Dodge | Coronet | Deluxe |
| 1967–1970 | Dodge | Coronet | R/T |
| 1968–1970 | Dodge | Coronet | Super Bee |
| 1967–1968 | Dodge | Monaco | 500 |
| 1966–1972 | Dodge | Monaco | Base |
| 1968–1969 | Dodge | Polara | 500 |
| 1966–1972 | Dodge | Polara | Base |
| 1971 | Dodge | Polara | Brougham |
| 1970–1972 | Dodge | Polara | Custom |
| 1970 | Dodge | Polara | Special |
| 1975–1978 | GMC | G15 | Rally |
| 1975–1978 | GMC | G15 | Rally STX |
| 1968–1972 | Plymouth | Fury II | Custom Suburban |
| 1966–1972 | Plymouth | Fury III | Base |
| 1968–1972 | Plymouth | Fury III | Sport Suburban |
| 1972 | Plymouth | Gran Fury | Base |
| 1972 | Plymouth | Gran Fury | Custom Suburban |
| 1972 | Plymouth | Gran Fury | Sport Suburban |
| 1968 | Plymouth | Fury | Suburban |
| 1970–1972 | Plymouth | Fury | Suburban |
| 1966 | Plymouth | Fury | VIP |
| 1968–1969 | Plymouth | Fury | VIP |
| 1968–1972 | Plymouth | Fury I | Base |
| 1968–1972 | Plymouth | Fury I | Suburban |
| 1966–1972 | Plymouth | Fury II | Base |
| 1969 | Dodge | Charger | Daytona |
| 1967–1971 | Dodge | Charger | R/T |
| 1969 | Dodge | Charger | SE |
| 1971–1972 | Dodge | Charger | Special Edition |
| 1971 | Dodge | Charger | Super Bee |
| 1971–1972 | Dodge | Colt | Base |
| 1966–1970 | Dodge | Coronet | 440 |
| 1966–1970 | Dodge | Coronet | 500 |
| 1970–1972 | Plymouth | Duster | 340 |
| 1970–1972 | Plymouth | Duster | Base |
| 1966–1967 | Plymouth | Fury | Base |
| 1971 | Plymouth | Fury | Custom |
| 1968 | Plymouth | Fury | Custom Suburban |
| 1970–1972 | Plymouth | Fury | Custom Suburban |
| 1970 | Plymouth | Fury | Gran Coupe |
| 1971–1972 | Chrysler | Newport | Royal |
| 1966–1972 | Chrysler | Town & Country | Base |
| 1970–1972 | Dodge | Challenger | Base |
| 1970–1971 | Dodge | Challenger | R/T |
| 1972 | Dodge | Challenger | Rallye |
| 1970 | Dodge | Challenger | T/A |
| 1969–1971 | Dodge | Charger | 500 |
| 1966–1972 | Dodge | Charger | Base |
| 1971–1972 | Plymouth | Satellite | Sebring |
| 1971–1972 | Plymouth | Satellite | Sebring Plus |
| 1968–1970 | Plymouth | Satellite | Sport |
| 1971–1972 | Plymouth | Scamp | Base |
| 1970 | Plymouth | Superbird | Base |
| 1968–1969 | Plymouth | Valiant | 100 |
| 1966 | Plymouth | Valiant | 200 |
| 1972 | Plymouth | Fury | Gran Coupe |
| 1972 | Plymouth | Fury | Gran Sedan |
| 1970 | Plymouth | Fury | GT |
| 1970 | Plymouth | Fury | S-23 |
| 1966–1971 | Plymouth | Fury | Sport |
| 1970–1971 | Plymouth | Fury | Sport GT |
| 1968 | Plymouth | Fury | Sport Suburban |
| 1970–1972 | Plymouth | Fury | Sport Suburban |
| 1972 | Plymouth | Gran Fury | Suburban |
| 1967–1971 | Plymouth | GTX | Base |
| 1968–1972 | Plymouth | Road Runner | Base |
| 1966–1972 | Plymouth | Satellite | Base |
| 1971 | Plymouth | Satellite | Brougham |
| 1971–1972 | Plymouth | Satellite | Custom |
| 1971–1972 | Plymouth | Satellite | Regent |
| 1973–1974 | GMC | G35/G3500 Van | Vandura |
| 1979–1991 | GMC | G3500 | Magnavan |
| 1979–1991 | GMC | G3500 | Rally |
| 1979–1991 | GMC | G3500 | Rally Camper Special |
| 1981–1988 | GMC | G3500 | Rally Custom |
| 1979–1991 | GMC | G3500 | Rally STX |
| 1979–1991 | GMC | G3500 | Vandura |
| 1975–1978 | GMC | G15 | Vandura |
| 1973–1974 | GMC | G15/G1500 Van | Rally |
| 1973–1974 | GMC | G15/G1500 Van | Vandura |
| 1979–1991 | GMC | G1500 | Rally |
| 1983–1984 | GMC | G1500 | Rally Custom |
| 1979–1991 | GMC | G1500 | Rally STX |
| 1979–1991 | GMC | G1500 | Vandura |
| 1975–1978 | GMC | G25 | Rally |
| 1975–1978 | GMC | G25 | Rally STX |
| 1975–1978 | GMC | G25 | Vandura |
| 1973–1974 | GMC | G25/G2500 Van | Rally |
| 1973–1974 | GMC | G25/G2500 Van | Vandura |
| 1979–1991 | GMC | G2500 | Rally |
| 1983–1984 | GMC | G2500 | Rally Custom |
| 1979–1991 | GMC | G2500 | Rally STX |
| 1979–1991 | GMC | G2500 | Vandura |
| 1975–1978 | GMC | G35 | Magnavan |
| 1975–1978 | GMC | G35 | Rally |
| 1975–1978 | GMC | G35 | Rally Camper Special |
| 1975–1978 | GMC | G35 | Rally STX |
| 1975–1978 | GMC | G35 | Vandura |
| 1975–1978 | GMC | G35 | Vandura Special |
| 1974 | GMC | G35/G3500 Van | Base |
| 1973–1974 | GMC | G35/G3500 Van | Rally |
| 1975–1991 | Chevrolet | G10 | Chevy Van |
| 1975–1991 | Chevrolet | G10 | Sportvan |
| 1973–1974 | Chevrolet | G10 Van | Base |
| 1973–1974 | Chevrolet | G10 Van | Sportvan |
| 1975–1991 | Chevrolet | G20 | Beauville |
| 1983–1984 | Chevrolet | G20 | Bonaventure |
| 1975–1991 | Chevrolet | G20 | Chevy Van |
| 1975–1991 | Chevrolet | G30 | Hi-Cube |
| 1975–1991 | Chevrolet | G30 | Sportvan |
| 1973–1974 | Chevrolet | G30 Van | Base |
| 1973–1974 | Chevrolet | G30 Van | Sportvan |
| 1990–1991 | Chevrolet | Lumina APV | Base |
| 1990–1991 | Chevrolet | Lumina APV | CL |
| 1966–1971 | Chrysler | 300 | Base |
| 1978–1981 | Chevrolet | G20 | Nomad |
| 1975–1991 | Chevrolet | G20 | Sportvan |
| 1973–1974 | Chevrolet | G20 Van | Base |
| 1973–1974 | Chevrolet | G20 Van | Sportvan |
| 1975–1991 | Chevrolet | G30 | Beauville |
| 1983–1984 | Chevrolet | G30 | Bonaventure |
| 1975–1991 | Chevrolet | G30 | Chevy Van |
| 1979–1991 | GMC | G3500 | Vandura Special |
| 1974 | GMC | P35/P3500 Van | Motorhome |
| 1985–1991 | GMC | Safari | Base |
| 1985–1987 | GMC | Safari | SL |
| 1985–1991 | GMC | Safari | SLE |
| 1987–1991 | GMC | Safari | SLT |
| 1985–1990 | GMC | Safari | SLX |
| 1973–1974 | GMC | Transmode | Base |
| 1985–1991 | Chevrolet | Astro | Base |
| 1985–1991 | Chevrolet | Astro | CL |
| 1985–1991 | Chevrolet | Astro | CS |
| 1987–1991 | Chevrolet | Astro | LT |
| 1983 | Chevrolet | G10 | Base |
| 1975–1991 | Chevrolet | G10 | Beauville |
| 1981–1984 | Chevrolet | G10 | Bonaventure |
| 1986–1987 | Chevrolet | G10 | Bonaventure |
Applications are the manufacturer's published fitment for this part number.
Not sure it fits? Call 908-223-9744 or text us the year, model and engine. We confirm fitment before you order.
- Shipping
- In-stock parts ship in 1 to 2 business days. Tracking is emailed as soon as the label prints.
- Returns
- 30-day returns on unused parts in the original packaging. Return policy.
Reviews
What customers say
Verified reviews collected by Loox from real orders.
Good to know
Questions, answered straight.
If it is not here, call or text the counter. Real people, real answers.
Fitment
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Will this fit my truck?
The Fits section at the top of the page lists the manufacturer's applications for this exact part. If your year, make and model is not there, or you are not sure, text us a photo of what you are replacing with your year and engine and we will confirm it before you order.
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What if I order the wrong part?
Call or text us before it ships and we will swap it. After delivery you have 30 days to return it in new, uninstalled condition. The return policy has the restocking details.
Shipping
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When will it ship?
In-stock parts usually ship within 1 to 2 business days from warehouses across the USA. The stock line under the options tells you the status of the part you are looking at. Large items ship LTL freight and we call to schedule delivery.
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Why did I only get part of my order?
We ship from multiple warehouses, so an order with several items can arrive in more than one box. Tracking for each shipment is emailed as it goes out. Full details in the shipping policy.
Returns and warranty
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What is the return policy?
30 days from delivery, in new and uninstalled condition, with a restocking fee. Everything is spelled out in the Returns & Refund Policy.
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How do warranty claims work?
We are an authorized dealer, so the manufacturer's warranty applies to every part we sell. Call or text us with your order number and we handle the claim with the brand for you.
Paying
-
Can I pay over time?
Yes. Shop Pay installments are offered at checkout on qualifying orders, and the monthly estimate shows right under the price.
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What is a core deposit?
Some remanufactured parts, like injectors and turbos, carry a refundable core deposit. It is shown on the product page when it applies and refunded when your old part comes back to us.
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Why buy here
A diesel shop that sells parts, not a website that sells boxes.
Every part on this site is one our own techs can stand behind.
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We run what we sell
A working diesel repair and fabrication shop in Nazareth, PA. These are the parts our techs install every week.
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Real techs on the phone
Call or text 908-223-9744 and you get a diesel tech, not a script.
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Authorized dealer
Genuine parts straight from the manufacturer, with the factory warranty behind them.
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Fast from stock
Most in-stock parts ship in 1 to 2 business days from warehouses across the USA.
Authorized dealer for 140+ brands
All brands- 7+ Years in business
- 6+ Shop technicians
- 30,000+ In-stock SKUs
- 25+ Trucks given away
The shop floor, Nazareth, PAFull Send Diesel, Nazareth, PA
A team of diesel people, not a call center.
Full Send Diesel is a shop full of techs, builders and parts people in Nazareth, Pennsylvania. When you call or text, you reach someone who works on these trucks and knows the parts.
Not sure what you need? Send a photo of what you are replacing with your year and engine. We will point you to the right part, confirm it is in stock, and get it moving.
Mon–Fri, 8am–4pm ET. After hours, text or email and we answer first thing in the morning.


























