Caterpillar Motor Grader Electrical Parts parts list
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D3C III, D3G, D4C III, D4G, D5C III, D5G, 933C, 939C, 120H, 12H, 135H, 140H, 160H |
Engine Oil Pressure Sender |
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2950759 |
$51.00
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120H/ES/NA, 120K/2, 12H/ES/NA, 12K, 135H/NA, 140H/ES/NA, 140K/2, 143H, 160H/ES/NA, 160K, 163H/NA, 24H |
Transmission Controller |
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2534019 |
$944.00
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928G/H/HZ, 930G/H, 938G/GII/H, 950G/GC/H, 962G/GII/H, 966G/GII/GC/H, 972G/GII/H, 980G/H, 986H/K, 988G/H/K, 990H/K, 992K, 993K, 994F/H/K, 814K, 816K, 824H/K, 825H/K, 826H/K, 834H/K, 836H/K, 844H/K, 854K, D8T, D9T, D10T/T2, D11T, IT38GII/H, IT62G/H, |
Windshield Wiper Switch Assembly |
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2757741 |
$252.00
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120/M/M2, 12M, 140GC, 311D-320E, 321D-336GC, 420E, 430E, 450E, 613G, 735C, 740/GC/C, 745/C, 814/K, 815/K, 816/K, 914G/G2, 924H/HZ/K, 926M, 928H/HZ, 930H/K/M, 938H/K/M, 950GC/K/L/M/MZ, 953D/K, 962-962MZ, 963D/K, 966-972XE, 6060, D3K-D6N, IT14G/G2/38H, |
Speed Sensor |
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2380120 |
$110.00
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Aftermarket electrical parts for Caterpillar motor graders, covering transmission controllers, multifunction switch assemblies, sensors, and cab electrical components across the H, K, and M series grader lineup. Broken Tractor stocks hard-to-find Cat grader electrical parts ready to ship from U.S. warehouses.
Fits Models At A Glance:
- Caterpillar Motor Graders — 120H/120K/120M Series: 120H, 120H ES, 120H NA, 120K, 120K 2, 120M, 120M 2, 12H, 12H ES, 12H NA, 12K, 12M, 12M 2, 12M 3, 12M 3 AWD
- Caterpillar Motor Graders — 135H/140H/140K/140M Series: 135H, 135H NA, 140H, 140H ES, 140H NA, 140K, 140K 2, 140M, 140M 3, 140M 3 AWD, 143H, 14H, 14M
- Caterpillar Motor Graders — 160H/163H/16H/16M/24H/24M Series: 160H, 160H ES, 160H NA, 160K, 160M, 160M 2, 160M 3, 160M 3 AWD, 163H, 163H NA, 16H, 16M, 24H, 24M
Key Notes:
- Part Types: Transmission controllers, windshield wiper switch assemblies, speed sensors, position sensors, and cab multifunction switches
- Application: Electrical and electronic control components for Cat H-series, K-series, and M-series motor grader cab systems and drivetrain control circuits
- Compatibility: Parts cover multiple generations of Caterpillar motor graders — always confirm your model and serial number before ordering
- Interchange: Many parts cross multiple part numbers across production runs — all known interchanges are listed on individual product pages
Why Choose Broken Tractor:
✅ Hard-to-Find Cat Grader Electrical Parts in Stock
✅ Full Part Number Cross-Reference on Every Listing
✅ Fast Shipping from U.S. Warehouses to Keep Your Grader Running
Frequently Asked Questions
What transmission control fits a Cat 140H motor grader?
The Cat Transmission Control Group 2534019 lists fitment for the 140H, 140H ES and 140H NA motor graders. It also covers the 120H, 12H, 135H, 143H, 160H, 163H and 24H, plus the K series 120K, 120K 2, 12K, 140K, 140K 2 and 160K. Fitment can change with serial number, so match the part number on your existing controller before ordering.
Which engine oil pressure sender fits a Cat 12H or 140H grader?
Broken Tractor offers Engine Oil Pressure Sender 2950759, which lists fitment for the Cat 12H and 140H motor graders. It also fits the 120H, 135H and 160H. Compare the part number on your old sender to confirm the match.
Does speed sensor 2380120 fit Cat M series motor graders?
Yes, Speed Sensor 2380120 lists fitment for the Cat 120M, 120M 2 and 12M motor graders, as well as the 140GC. Because Cat sensors can change across production runs, check your machine's serial number and match the part number before you order.
How do I make sure a Cat motor grader electrical part fits my machine?
Start with your grader's model and serial number, since many Cat electrical parts changed across H, K and M series production runs. Match the part number stamped on your old part, and check the known interchange numbers listed on each product page. If you are still unsure, call (800) 909-7060 and the parts team can help confirm fitment.
What Cat motor grader electrical parts does Broken Tractor carry?
We carry aftermarket Caterpillar motor grader electrical parts including transmission control groups, speed sensors, engine oil pressure senders and windshield wiper switch assemblies. These parts serve cab systems and drivetrain control circuits across Cat H, K and M series graders.