Spicer D402 User Manual
Spicer, Axles & brakes, Information bulletin

Spicer
®
Axles & Brakes
ABIB-0408
Information Bulletin
Bulletin Type: Parts / Service Information
Topic: D402 Reverse Air Differential Carriers No Longer Offered by Dana
Affected Models:
All D341, D402(P), D403(P), and D451-P Family Drive Axles
Effective immediately, Dana will no longer offer D402 base service Carrier Assemblies in the Rev-Air design. The
“Standard Air” design carriers, which are more readily available, can be easily converted by simply installing a Rev-Air
lockout kit shown in the chart below. The lockout kits are simple to install and are designed for both Pump and Non-Pump
models.
Dana
Carriers
P/N's w/
Reverse-Air
Carrier Description
Ratio
Side Gear P/N &
Spline Ct
Replacement
Information
Air
Lockout
Kit
674943
EX 41I DS402 308 RA
3.08
Use 674686
675389
EX 41I DS402 325 RA
3.25
Use 674687
674676
EX 41I DS402 336 RA
3.36
Use 674456
674782
EX 41I DS402 355 RA
3.55
Use 674457
674784
EX 41I DS402 370 RA
3.70
Use 674458
674785
EX 41I DS402 390 RA
3.90
Use 674459
674783
EX 41I DS402 411 RA
4.11
Use 674460
674820
EX 41I DS402 433 RA
4.33
Use 674461
675385
EX 41I DS402 456 RA
4.56
Use 674633
675433
EX 41I DS402 488 RA
4.88
Use 674688
675384
EX 41I DS402 557 RA
5.57
Use 674690
675539
EX 16STR DS402 557 RA
5.57
37069 16 STR
Use 674576
675541
EX 39INV DT341 529 RA
5.29/7.21
Use 675948
675237
EX 39INV DT341 717 RA
7.17/9.77
N/A
675536
EX 41I DT402 488 RA
4.88/6.65
Use 674564
675518
EX 41I DT402 557 RA
5.57/7.60
Use 674857
674791
EX 41I DS402P 336 RA
3.36
Use 674462
674792
EX 41I DS402P 355 RA
3.55
Use 674463
674793
EX 41I DS402P 370 RA
3.70
Use 674464
674794
EX 41I DS402P 390 RA
3.90
Use 674465
674795
EX 41I DS402P 411 RA
4.11
Use 674466
674796
EX 41I DS402P 433 RA
4.33
Use 674467
675401
EX 41I DS402P 456 RA
4.56
Use 674635
675582
EX 41I DS402P 657 RA
6.57
Use 674826
675622
EX 41I DT402P 433 RA
4.33/5.91
Use 674602
675445
EX 41I DT402P 557 RA
5.57/7.60
Use 675517
675617
EX 33I DT451P 411 RA
4.11/5.61
85486 33INV
Use 674484
110527 41INV
Pump Models:
And 96919
Air Lockout
kit
And 107621
Air Lockout
Kit
Non Pump Models:
110527 41INV
110525 39INV
110527 41INV
110527 41INV