D440018 New Dana 44 Fast Ratio Empty Open Differential Case

D440018 New Dana 44 Fast Ratio Empty Open Differential Case is a genuine Dana OEM differential case for Dana 44 front and rear axles with 2.73 to 3.73 gear ratios and 30 spline axle shafts. These popular diffs were used by Dodge, Ford, GM, International, and Jeep and they will fit many front/rear axle applications from 1967 to 1993. USA Made.

Also see QU40632 New Dana 44 Empty Diff

Need More Info? Use the handy Links below to access over 40 years of Dan's product and vehicle specific Tech Notes to easily get the information you need for your vehicle's repair, maintenance, or upgrade project!

Dan the Gear Man® Tech Notes:
Side Gears
Includes
Fits
Ring Gear Bolts
Diff Tech Page
Matching Parts
Applications

Tech Note 1: Side Gears
D440018 Differential uses 30 spline side gears.

Tech Note 2: Includes
D440018 is a BARE Differential Case only

Tech Note 3: Fits
D440018 Differentials fit most 1967-1993 Dana 44 axles with 2.73 to 3.73 ratio gear sets. If you need a differential for 3.92 to 5.89 ratio gear sets, see QU40635.

Tech Note 4: Ring Gear Bolts
Ring Gear Bolts, QU40209, are designed to be used once and only once.

Tech Note 5: Diff Tech Page
For more information about differences between early and late production Dana 44 differential cases including spline and bearing changes, see my 1953-1993 Dana 44 Diff Tech Page.

Tech Note 6: Matching Parts
Related items for QU40633 Dana 44 Diff:
QU40214 Dana 44 Cover Gasket
QU40209 Ring Gear Bolts
QU50576 Differential Bearing and Seal Kit for 1993 and older axles
QU40215 Pinion Seal to 1993
QU40028 Inner Pinion Bearing Slinger
QU40448 Inner Pinion Oil Baffle
QU40002 Outer Pinion Slinger
QU40311 Diff and Pinion Shim Kit
QU40009 Pinion Lock Nut
QU40010 Pinion Yoke Washer
QU90009 Axle Service Pack with Gear Marking Compound, Threadlocker, RTV Sealant, Brush
QT1032 Differential Housing Spreader
QT1044 Inner Pinion Bearing Installer
QT1812 Pinion Bearing Cup Installer
QT1115 Differential Side Bearing Installer
QT1035 Diff Press Plate

Applications

Chevy and GMC (Front Axle):
K20/K25/K2500: 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980
K5 Blazer, Jimmy, K10/K15: 1973, 1974, 1975, 1976, 1977, 1978, 1979

Dodge (Front Axle):
W100: 1967, 1968, 1969, 1970, 1971, 1972
W200, W250 with Dana 44 axle: 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993

Ford (Front Axle):
F250 Regular Cab: 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977.5
Bronco: 1971, 1972, 1973, 1974, 1975, 1976, 1977

IHC (Front Axle):
1100, 1200: 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975
Scout: 1974, 1975, 1976, 1977, 1978, 1979, 1980

IHC (Rear Axle):
Scout: 1974, 1975, 1976, 1977, 1978, 1979, 1980

Jeep (Front Axle):
J-Series Truck: 1967, 1968, 1969, 1970, 1971, 1972, 1973
Cherokee, Wagoneer, J10, J20: 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985

Jeep (Rear Axle):
CJ5, CJ6: 1972, 1973, 1974, 1975
Cherokee, Wagoneer, J10: 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985