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1967-1972 Ford F-series Pickups FAQs

Axle Assembly Identification - Ford Products
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NOTE: Axle tag location and appearance may vary by application.
 
Code Application Ring Gear And Pinion NL
or
L		 Axle
Shaft
Splines		 Additional
Information
Ratio Diameter
of RG
S406-B Ford F250SD, F350SD Pickup ‘99 3.73 10.50 NL - -
S406-C Excursion '00
Ford F250SD, F350SD Pickup ‘99-01		 3.73 10.50 NL - full-float
S406-E Ford F250SD, F350SD Pickup ‘99-01 3.73 10.50 NL - -
Lincoln Continental '85
Lincoln Mark Series 85		 3.08 7.5 NL 28 -
S406-F Excursion '00
Ford F250SD, F350SD Pickup ‘99-01		 3.73 10.50 NL - full-float
S406-H Ford F250SD, F350SD Pickup ‘00-01 3.73 10.50 NL - -
S407-E Lincoln Continental '85
Lincoln Mark Series 85		 3.27 7.5 L 28 -
S407-E Lincoln Continental '87
Lincoln Mark Series 87-92		 3.27 8.8 L 28 -
S407-F Lincoln Continental '87
Lincoln Mark Series 87-92		 3.27 8.8 L 28 -
S408-E Lincoln Continental '85
Lincoln Mark Series 85		 3.27 7.5 L 28 -
S409-B Ford F250SD, F350SD Pickup ‘99 3.73 10.50 L - -
S409-C Excursion '00-01
Ford F250SD, F350SD Pickup ‘99-01		 3.73 10.50 L - -
S409-E Ford F250SD, F350SD Pickup ‘99-01 3.73 10.50 L - -
Lincoln Continental '85
Lincoln Mark Series 85		 3.73 7.5 NL 28 -
S409-F Excursion '00-01
Ford F250SD, F350SD Pickup ‘99-01		 3.73 10.50 L - -
S409-H Ford F250SD, F350SD Pickup ‘00-01 3.73 10.50 L - -
S410-A Excursion '00 3.73 10.50 NL - -
S410-B Excursion '00 3.73 10.50 NL - -
S410-E Lincoln Continental '85
Lincoln Mark Series 85		 3.73 7.5 L 28 -
S411-A Excursion '00 4.10 10.50 L - full-float
S411-B Excursion '00 4.10 10.50 L - full-float
S411-E Lincoln Continental '85
Lincoln Mark Series 85		 3.73 7.5 L 28 -
S412-A Excursion '00 3.73 10.50 NL - -
S412-B Excursion '00 3.73 10.50 NL - -
S412-E Lincoln Continental '85
Lincoln Mark Series 85		 3.73 7.5 NL 28 -
S413-A Excursion '00 3.73 10.50 L - -
S413-B Excursion '00 3.73 10.50 L - -
S413-E Lincoln Continental '85
Lincoln Mark Series 85		 2.73 7.5 NL 28 -
S414-E Lincoln Continental '85-87
Lincoln Mark Series 85-87		 2.73 7.5 NL 28 -

S414-F

Lincoln Continental '87
Lincoln Mark Series 87

2.73

7.5

NL

28

-

S415-A

Excursion '00

4.30

10.50

L

-

full-float

S415-B

Excursion '00

4.30

10.50

L

-

full-float

S415-E

Lincoln Continental '85
Lincoln Mark Series 85

2.73

7.5

L

28

-

S416-E

Lincoln Continental '85
Lincoln Mark Series 85

2.73

7.5

L

28

-

S421-B

Ford F250SD, F350SD Pickup ‘99

4.30

10.50

L

-

-

S421-C

Excursion '00
Ford F250SD, F350SD Pickup ‘99-01

4.30

10.50

L

-

full-float

S421-E

Ford F250SD, F350SD Pickup ‘99-01

4.30

10.50

L

-

-

Lincoln Continental '86
Lincoln Mark Series 86

3.27

8.8

L

28

-

S421-F

Excursion '00
Ford F250SD, F350SD Pickup ‘99-01

4.30

10.50

L

-

full-float

S421-H

Ford F250SD, F350SD Pickup ‘00-01

4.30

10.50

L

-

-

S422-E

Lincoln Continental '86
Lincoln Mark Series 86-92

 

8.8

NL

28

-

S423-E

Lincoln Continental '86-87
Lincoln Mark Series 86-87

3.08

8.8

L

28

-

S423-F

Lincoln Continental '87
Lincoln Mark Series 87-92

3.08

8.8

L

28

-

S424-E

Lincoln Continental '86-87
Lincoln Mark Series 86-92

3.27

8.8

NL

28

-

S424-F

Lincoln Continental '87
Lincoln Mark Series 87-92

3.27

8.8

NL

28

-

S431-B

Thunderbird 87-92

3.55

8.8

L

28

-

S431-C

Thunderbird 88

3.55

8.8

L

28

-

S431-D

Thunderbird 88

3.55

8.8

L

28

-

S433-B

Thunderbird 87-88

3.73

8.8

L

28

-

S433-C

Thunderbird 87-88

3.73

8.8

L

28

-

S445-C

Cougar 88

3.08

7.5

L

28

-

S460-B

Ford F350SD Pickup ‘99

3.73

10.50

NL

-

-

S460-C

Ford F350SD Pickup ‘99-01

3.73

10.50

NL

-

-

S460-E

Ford F350SD Pickup ‘99-01

3.73

10.50

NL

-

-

S460-F

Ford F350SD Pickup ‘99-01

3.73

10.50

NL

-

-

S460-H

Ford F350SD Pickup ‘00-01

3.73

10.50

NL

-

-

S461-B

Ford F350SD Pickup ‘99

3.73

10.50

L

-

-

S461-C

Ford F350SD Pickup ‘99-01

3.73

10.50

L

-

-

S461-E

Ford F350SD Pickup ‘99-01

3.73

10.50

L

-

-

S461-F

Ford F350SD Pickup ‘99-01

3.73

10.50

L

-

-

S461-H

Ford F350SD Pickup ‘00-01

3.73

10.50

L

-

-

S501-A

Cougar, Thunderbird 89

3.27

7.5

L

28

-

S501-B

Cougar, Thunderbird 89-93

3.27

7.5

L

28

-

S502-A

Cougar, Thunderbird 89

3.27

7.5

L

28

-

S502-B

Cougar, Thunderbird 89-93

3.27

7.5

NL

28

-

S508-A

Cougar, Thunderbird 90-97

2.73

8.8

L

28

-

S509-A

Cougar, Thunderbird 89

2.73

8.8

L

28

-

S509-B

Cougar, Thunderbird 89-93

2.73

8.8

L

28

-

S510-A

Cougar, Thunderbird 90-94

3.08

8.8

L

28

-

S510-F

Cougar, Thunderbird 95-96

3.08

8.8

L

28

-

S511-A

Cougar, Thunderbird 89

3.27

8.8

L

28

-

S511-B

Cougar, Thunderbird 89-93

3.27

8.8

L

28

-

S513-A

Cougar, Thunderbird 89

3.08

8.8

L

28

-

S513-B

Cougar, Thunderbird 89-93

3.08

8.8

L

28

-

S602B

Bronco II, Ranger 84-85

3.45

7.5

NL

28

-

S602C

Bronco II 86

3.45

7.5

NL

-

-

S602D

Bronco II 87-88

3.45

7.5

NL

-

-

S602F

Bronco II 89

3.45

7.5

NL

-

-

S602G

Bronco II 89

3.45

7.5

NL

-

-

S602H

Bronco II 90

3.45

7.5

NL

-

-

S604B

Bronco II, Ranger 84-85

3.45

7.5

NL

28

-

S604C

Bronco II 86

3.73

7.5

NL

-

-

S604D

Bronco II 87-88

3.73

7.5

NL

-

-

S604F

Bronco II 89

3.73

7.5

NL

-

-

S604G

Bronco II 89

3.73

7.5

NL

-

-

S604H

Bronco II 90

3.73

7.5

NL

-

-

S605B

Bronco II, Ranger 84-85

3.45

7.5

NL

28

-

S605C

Bronco II 86

3.73

7.5

L

-

-

S605D

Bronco II 87-88

3.73

7.5

L

-

-

S605F

Bronco II, Ranger 89-90

3.73

7.5

L

28

-

S605G

Bronco II, Ranger 89-90

3.73

7.5

L

28

-

S605H

Bronco II, Ranger 90-92

3.73

7.5

L

28

-

S606B

Bronco II, Ranger 85-86

4.10

7.5

NL

28

-

S607B

Bronco II 85

4.10

7.5

L

-

-

S607C

Bronco II 86

4.10

7.5

L

-

-

S607D

Bronco II 87-88

4.10

7.5

L

-

-

S607-F

Bronco II 89

4.10

7.5

L

-

-

S607G

Bronco II, Ranger 89-90

4.10

7.5

L

28

-

S610A

Explorer 91-01

3.27

8.8

NL

-

-

S610B

Explorer 91-01

3.27

8.8

NL

-

-

S610E

Explorer 95-01
Mountaineer 99

3.27

8.8

NL

-

-

S611A

Explorer 95-97

3.27

8.8

L

-

-

S611B

Explorer 95-97

3.27

8.8

L

-

-

S612A

Explorer 91-01

3.55

8.8

NL

-

 

S612B

Explorer 91-01

3.55

8.8

NL

-

-

S612E

Explorer 95-01
Mountaineer 99

3.55

8.8

NL

-

-

S613A

Explorer 95-01

3.73

8.8

L

-

-

S613B

Explorer 95-01

3.73

8.8

L

-

-

S613C

Explorer 95-01

3.73

8.8

L

-

-

S613E

Explorer 95-01
Explorer 01 Postal
Mountaineer 99-01

3.73

8.8

L

-

-

S614A

Explorer 91-01

3.73

8.8

NL

-

-

S614B

Explorer 91-01
Mountaineer 98-01

3.73

8.8

NL

-

-

S614E

Explorer 95-01
Mountaineer 98-01

3.73

8.8

NL

-

-

S615B

Explorer 95-01

4.10

8.8

L

-

-

S615C

Explorer 95-01

4.10

8.8

L

-

-

S615E

Explorer 95-01
Mountaineer 99-01

4.10

8.8

L

-

-

S616B

Explorer 91-01

4.10

8.8

NL

-

-

S616E

Explorer 96-01
Mountaineer 99-01

4.10

8.8

NL

-

-

S618A

Explorer 98-01
Mountaineer 98-01

3.73

8.8

NL

-

-

S618E

Explorer 98-01
Mountaineer 98-01

3.73

8.8

NL

-

-

S619A

Explorer 96-97

3.73

8.8

L

-

-

S621A

Explorer 96-01
Mountaineer 97-01

3.73

8.8

L

-

-

S621E

Explorer 96-01
Mountaineer 97-01

3.73

8.8

L

-

-

S622B

Explorer 91-93
Mazda Navajo 91-93

3.27

8.8

NL

-

-

S622D

Explorer 91-94

3.27

8.8

NL

-

-

S622E

Explorer 91-94

3.27

8.8

NL

-

-

S623A

Explorer 00-01

3.55

8.8

L

-

-

S624B

Explorer 91-93
Mazda Navajo 91-93

3.08

8.8

NL

-

-

S624D

Explorer 91-94

3.08

8.8

NL

-

-

S624E

Explorer 91-94

3.08

8.8

NL

-

-

S625A

Explorer 91-94

3.27

8.8

L

-

-

S625B

Explorer 91-94

3.27

8.8

L

-

-

S626B

Explorer 91-93
Mazda Navajo 91-93

3.55

8.8

NL

-

-

S627A

Explorer 95-01
Mountaineer 99-01

3.73

8.8

L

-

-

S628A

Explorer 91-94

3.73

8.8

NL

-

-

S628B

Explorer 91-94

3.73

8.8

NL

-

-

S629B

Explorer 91-94
Mazda Navajo 91-93

3.73

8.8

L

-

-

S629D

Explorer 91-94

3.73

8.8

L

-

-

S629A

Explorer 91-94

3.27

8.8

L

-

-

S630A

Explorer 00-01
Mountaineer 00-01

3.55

8.8

NL

-

-

S652A

Aerostar 86-87

3.45

7.5