Check the part number and your machine details before arranging collection.
Electrical & lighting
Ignition Switch
OT-950-16In stock
Ignition Switch. The supplier lists 950-16 as a cross-reference to replacement 51181.
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Listed applications
Listed applications for this part reference. Confirm your machine model, engine variant and serial number with Brian before collection.
View listed models (196)
Case IHC · 43 Series2 models
743, 743 XL
Case IHC · 44 Series2 models
844, 844 XL
Case IHC · 55 Series6 models
955, 1055, 1055 XL, 955 XL, 1255, 1455
Case IHC · 56 Series6 models
856, 856 XL, 956, 956 XL, 1056, 1056 XL
Case IHC · Maxxum Series8 models
Maxxum 5120, Maxxum 5130, Maxxum 5140, Maxxum 5150, Maxxum 5220, Maxxum 5230, Maxxum 5240, Maxxum 5250
Case IHC · C Series5 models
C55, C55 A, C64, C64 A, C70 A
Case IHC · 45 Series5 models
745, 745 S, 745 XL, 845, 845 XL
Case IHC · 85 Series / Utility Series11 models
385, 485, 485 XL, 585, 585 XL, 685, 685 XL, 785, 785 XL, 885, 885 XL
Case IHC · CS / CS Pro Series6 models
CS48, CS52, CS58, CS63, CS68, CS75
Steyr · M Series10 models
M9078, M9083, M9086, M9094, M948, M952, M958, M963, M968, M975
Steyr · 900 Series7 models
942 (A), 948 (A), 955 (A)/(A)E, 964 (A)/(A)E, 968 (A), 970 (A)/(AE), 975 (A)
Steyr · 9000 Series1 model
9083 (A)
Steyr · 8000 Series2 models
8080 (A) Turbo, 8090 TD
Deutz · Agroprima Series5 models
Agroprima 4.31, Agroprima 4.51, Agroprima 4.56, Agroprima 6.06, Agroprima 6.16
Deutz · DX4 Series5 models
DX4.10, DX4.11, DX4.30, DX4.50, DX4.70
Deutz · DX7 Series1 model
DX7.10
Deutz · DX6 Series4 models
DX6.05, DX6.10, DX6.30, DX6.50
Deutz · DX Series21 models
DX110, DX110 A, DX120, DX120 A, DX140, DX140 A, DX145, DX145 A, DX160, DX160 A, DX230, DX230 A, DX250, DX250 A, DX250 V, DX80, DX80 A, DX85, DX85 A, DX90, DX90 A
Deutz · Intrac Series2 models
Intrac 6.30, Intrac 6.60
Deutz · Agroxtra Series7 models
Agroxtra 3.57, Agroxtra 4.07, Agroxtra 4.17, Agroxtra 4.47, Agroxtra 4.57, Agroxtra 6.07, Agroxtra 6.17
Deutz · Agrocompact 3 Series6 models
Agrocompact 3.30 V/F, Agrocompact 3.50 S, Agrocompact 3.50 V/F, Agrocompact 3.70 V/F, Agrocompact 3.90 F, Agrocompact 3.90 S
Deutz · 07 Series33 models
2807, 3607, 3607 F, 4007 U, 4007, 4007 F, 4507 A, 4507, 4507 F, 4807, 4807 A, 4807 F, 5207 A, 5207 F, 5207, 6007 A, 6007 F, 6007, 6207 A, 6207 F, 6207, 6507 A, 6507 F, 6507, 6807 A, 6807, 6907, 7007, 7007 A, 7207, 7207 A, 7807, 7807 A
Deutz · 06 Series5 models
6006, 6206, 6806, 7006, 7206
Deutz · 07C Series11 models
4507 C, 4807 C, 5207 C, 6007 C, 6207 C, 6507 C, 6807 C, 6907 C, 7007 C, 7207 C, 7807 C
Deutz · Hopfen Series2 models
Hopfen DX4.17, Hopfen DX4.57
Deutz · DX3 SC Series8 models
DX3.10 SC, DX3.30 SC, DX3.50 SC, DX3.60 SC, DX3.65 SC, DX3.70 SC, DX3.80 SC, DX3.90 SC
Deutz · DX3 V/F/S Series7 models
DX3.10 V, DX3.30 V/F, DX3.50 S, DX3.50 V/F, DX3.70 V/F, DX3.90 F, DX3.90 S
Deutz · DX3 VC Series8 models
DX3.10 VC, DX3.30 VC, DX3.50 VC, DX3.60 VC, DX3.65 VC, DX3.70 VC, DX3.75 VC, DX3.90 VC
Supplier applications for replacement 51181, cross-referenced to 950-16. The supplier excludes digital-dash applications and specifies Fendt applications without an electric shuttle. Check switch marking 33 02 62 and the terminal arrangement. Check the original part reference and tractor serial number before ordering.
Listed reference numbers
51181 · STO178A · ST0178A · S.36014 · S36014 · S.36015 · S36015 · 21/950-16 · 950-16 · 701/80184 · 01171659 · 01176269 · 04350834 · 6JB003959001 · 1175809 · 1532371C2 · 184817 · VPF3260 · 01182528 · 50770596029 · S.35993 · S35993 · 50770598047 · 65400000 · 21/951-16 · 951-16
Compare the complete reference, including any suffix, with your original component.
Part information: SJ Spares. Checked 6 October 2026.
Collect in Kilbrew
Request your parts online. Wait for confirmation, then pay on collection from Kilbrew, Ashbourne, Co. Meath.
Personal parts support
GD Machinery (Gerry Duffy Machinery). SAME and DEUTZ-FAHR parts specialists in Ireland.
Get to know the team →Stock & availability
Catalogue updated 1 October 2026. Stock may change. Requests do not reserve parts until confirmed by the team.