Riding mower · Troy-Bilt Super Bronco 46 / Super Bronco XP 54 / Super Bronco 50 XP

Troy-Bilt 13AJA1BN066, 13AJA2BW066 and 13BJA1BZ066 parts: blades, belts, spark plug, air filter and oil filter

Checked October 3, 2026 · From the manufacturer's operator's manual and parts list

679 cc

Your model

Fits 13AJA1BN066 (46 in deck), 13AJA2BW066 (54 in deck) and 13BJA1BZ066 (50 in deck). Where a part differs, the row names the model.

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Parts for the Troy-Bilt 13AJA1BN066, 13AJA2BW066 and 13BJA1BZ066

Part	Number and size	Buy
Blade13AJA1BN066	MTD `942-04290A` part details Replaces 942-04290, 942-04244A	Search Amazon for 942-04290A
Blade13AJA2BW066	MTD `942-05056A`	Search Amazon for 942-05056A
Blade13BJA1BZ066	MTD `942-05052A`	Search Amazon for 942-05052A
Deck belt13AJA1BN066	Not confirmed
Deck belt13AJA2BW066	MTD `954-05025A`	Search Amazon for 954-05025A
Deck belt13BJA1BZ066	MTD `954-04077A` part details	Search Amazon for 954-04077A
Drive belt	MTD `954-05027B` part details Replaces 954-05027A	Search Amazon for 954-05027B
Oil filter	MTD `951-12690` part details	Search Amazon for 951-12690
Air filter	MTD `937-05145`	Search Amazon for 937-05145
Spark plug	MTD `951-10292A` part details Replaces 951-10292	Shop

Checked October 3, 2026 · 18 sources

Engine: MTD 679 cc OHV vertical shaft twin (Troy-Bilt)

Displacement: 679 cc
Oil filter: MTD 951-12690
Spark plug: MTD 951-10292A
Air filter: MTD 937-05145

Where's my model number?

Under the seat pan; lift up the seat to see it

Other machines that use these parts (49)

Troy-Bilt TB2246 blade
Cub Cadet LTX 1046 M / LTX 1045 blade
Cub Cadet XT2-LX46 KW blade
Cub Cadet XT1-LT46 FAB / XT2-LX46 KH blade
Cub Cadet XT1 LT46 with IntelliPower / XT1 LT42 with IntelliPower and others drive belt, oil filter and spark plug
Cub Cadet XT1 LT46 blade and drive belt
Troy-Bilt Pony 42 / Pony 42X and others oil filter and spark plug
Troy-Bilt Bronco 46K blade
Troy-Bilt Super Bronco 46 XP blade and drive belt
Cub Cadet ZT1 46 / ZT1 42 blade
Troy-Bilt Super Bronco 54 / Super Bronco 50 blade and deck belt
Troy-Bilt Super Bronco 50 XP / Super Bronco 54 XP deck belt and drive belt
Cub Cadet XT1 LT42 drive belt
Cub Cadet XT1 LT42 drive belt
Troy-Bilt Super Bronco 42 XP drive belt, oil filter and spark plug
Cub Cadet XT1 LT42 IntelliPOWER / XT1 LT46 INTELLIPOWER oil filter and spark plug
Troy-Bilt Pony 42 oil filter and spark plug
Troy-Bilt Storm 2690 XP / Storm 2690 and others spark plug
Cub Cadet 2X 24" HP / 2X 524 SWE and others spark plug
Craftsman 24 in. Snow Thrower / 26 in. Snow Thrower spark plug
Craftsman 28 in. Snow Thrower / 30 in. Snow Thrower spark plug
Troy-Bilt Vortex 2610 / Vortex 2890 spark plug
Troy-Bilt Storm 3090 spark plug
Troy-Bilt Storm 2460 spark plug
Cub Cadet 3X 24" / 3X 24" HD and others spark plug
Yard-Man Two-Stage Snow Thrower spark plug
Troy-Bilt Storm Tracker 2890 / Arctic Storm 30 and others spark plug
Craftsman 22 in. Snow Thrower spark plug
Craftsman 33 in. Snow Thrower spark plug
Yard Machines Two-Stage Snow Thrower / 600 Series Snow Thrower spark plug
MTD Gold Two-Stage Snow Thrower spark plug
Cub Cadet 3X 24" / 3X 24" HD and others spark plug
Cub Cadet 2X 28" HP / 2X 30" HD IntelliPOWER and others spark plug
Troy-Bilt Storm 2890 / Vortex 2490 and others spark plug
Cub Cadet 2X 26" HD IntelliPOWER / 2X 28" IntelliPOWER and others spark plug
Cub Cadet 3X 26" HD / 3X 30" HD and others spark plug
Troy-Bilt Vortex 2490 / Storm 2625 / Storm 2410 spark plug
Cub Cadet 2X 30" TRAC / 3X 30" TRAC / 3X 30" TRAC IntelliPOWER spark plug
Cub Cadet 2X 30" HP / 2X 30" IntelliPOWER EFI and others spark plug
Troy-Bilt Polar Blast 3310XP / Polar Blast 3310 / Polar Blast 4510 spark plug
MTD Pro Two-Stage Snow Thrower spark plug
Cub Cadet SC 500 / SC 500 HW / SC 500 E spark plug
Cub Cadet 3X 26" TRAC spark plug
Huskee 600 Series Snow Thrower / Two-Stage Snow Thrower spark plug
Cub Cadet 3X 30" PRO / 3X 34" PRO / 3X 30" MAX spark plug
Cub Cadet 3X 30" PRO H / 3X 34" PRO H / 3X 34" MAX H spark plug
Cub Cadet 3X 30" MAX IntelliPOWER EFI spark plug
Cub Cadet 930 SWE / 933 SWE / 945 SWE spark plug
Cub Cadet 3X 34" MAX H IntelliPOWER EFI spark plug

Where these numbers come from (18 sources)

Every part number above is printed in at least two of these. Checked October 3, 2026. How we check parts.

Operator's manual 769-24750 · Troy-Bilt LLC · January 9, 2020
Details
Parts/Warranty Supplement, Troy-Bilt TB 1942 Hydro, TB42 Foot Hydro, TB 2246, LT FAB 46, Super Bronco 50, TB 2350, Super Bronco 54, Super Bronco 54 FAB, Super Bronco 54 GT FAB, TB 2454 (Form No. 769-24750, January 9, 2020); p1 Replacement Parts; '954- 05027A Drive Belt', '942-04244A Blades, 46” Deck', '634-0104 Rear Wheel Assembly, 20.0 x 8.0 x 8.0, 42”, 46” & 50“ Deck', '634-05149A Front Wheel Assembly, 15 x 6 x 6, 42”, 46” & 50” Deck' (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2020 variant
Details
Troy-Bilt 13AJA1BN066 (2020) IPL .Quick Reference: deck belt, 954-05027B 'V-BELT A SEC x 90.90' (lower drive), blade; 679cc engine parts 951-10292 or 951-10292A spark plug, 937-05145 'AIR FILTER ELEMENT', 951-12690 'ENGINE OIL FILTER', 951-3013 'FUEL FILTER' (used for machine and part numbers, engine)
Parts list · PartsTree (dealer copy of MTD IPL) · 2020 variant
Details
Troy-Bilt 13AJA1BN066 (2020) IPL Drive: 954-05027A 'V-BELT A SEC x 91.10' superseded to 954-05027B (the plate's own diagram records the chain) (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2020 variant
Details
Troy-Bilt 13AJA1BN066 (2020) IPL Label Map: 777D29800 'LABEL-TROY BILT 679 CC OHV AIR CLNR', 777D30218 and 777D30219 'LABEL-TROY BILT ENG SHROUD' (used for machine and part numbers, engine)
Parts list · PartsTree (dealer copy of MTD IPL) · 2020 variant
Details
Troy-Bilt 13AJA1BN066 (2020) IPL Wheels: 634-0104 'WHEEL ASSEMBLY (20 X 8 X 8)', 634-05149 'WHEEL ASSEMBLY (15 X 6 X 6)' (used for machine and part numbers)
Operator's manual 769-20951A · MTD Products · September 20, 2019
Details
Operator's Manual, front engine lawn tractor (Form No. 769-20951A, September 20, 2019); p1 Record Product Information: 'You can locate the model plate by lifting up the seat and looking under the seat pan.' (used for machine and part numbers)
Maker's model page · Troy-Bilt LLC
Details
troybilt.com prior-year model page 13AJA1BN066 (heading 'Super Bronco 46 Riding Lawn Mower'; description 'MOWER:NX15 LT46 FAB K46 XP TB'; manuals listed 769-24750, 769-17450, 769-20951A, 769-23590, 769-23593), retrieved 2026-10-03 (ruling 1: ties the plate to its manuals and engine only) (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2020 variant
Details
Troy-Bilt 13AJA2BW066 (2020) IPL .Quick Reference: deck belt, 954-05027B 'V-BELT A SEC x 90.90' (lower drive), blade; 679cc engine parts 951-10292 or 951-10292A spark plug, 937-05145 'AIR FILTER ELEMENT', 951-12690 'ENGINE OIL FILTER', 951-3013 'FUEL FILTER' (used for machine and part numbers, engine)
Parts list · PartsTree (dealer copy of MTD IPL) · 2020 variant
Details
Troy-Bilt 13AJA2BW066 (2020) IPL Drive: 954-05027A 'V-BELT A SEC x 91.10' superseded to 954-05027B (the plate's own diagram records the chain) (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2020 variant
Details
Troy-Bilt 13AJA2BW066 (2020) IPL Label Map: 777D29800 'LABEL-TROY BILT 679 CC OHV AIR CLNR', 777D30218 and 777D30219 'LABEL-TROY BILT ENG SHROUD' (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2020 variant
Details
Troy-Bilt 13AJA2BW066 (2020) IPL Wheels: 634-05082 'WHEEL ASSEMBLY (16 x 6.5 x 8)', 634-05107 'WHEEL ASSEMBLY (22 x 9.5 x 12)' (used for machine and part numbers)
Maker's model page · Troy-Bilt LLC
Details
troybilt.com prior-year model page 13AJA2BW066 (heading 'Super Bronco XP 54 Riding Lawn Mower'; description 'MOWER:NX15 LT54 K46 TB'; manuals listed 769-24750, 769-17450, 769-20951A, 769-23590, 769-23593), retrieved 2026-10-03 (ruling 1: ties the plate to its manuals and engine only) (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2020 variant
Details
Troy-Bilt 13BJA1BZ066 (2020) IPL .Quick Reference: deck belt, 954-05027B 'V-BELT A SEC x 90.90' (lower drive), blade; 679cc engine parts 951-10292 or 951-10292A spark plug, 937-05145 'AIR FILTER ELEMENT', 951-12690 'ENGINE OIL FILTER', 951-3013 'FUEL FILTER' (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2020 variant
Details
Troy-Bilt 13BJA1BZ066 (2020) IPL Drive: 954-05027A 'V-BELT A SEC x 91.10' superseded to 954-05027B (the plate's own diagram records the chain) (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2020 variant
Details
Troy-Bilt 13BJA1BZ066 (2020) IPL Label Map: 777D29800 'LABEL-TROY BILT 679 CC OHV AIR CLNR', 777D30218 and 777D30219 'LABEL-TROY BILT ENG SHROUD' (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2020 variant
Details
Troy-Bilt 13BJA1BZ066 (2020) IPL Wheels: 634-0104 'WHEEL ASSEMBLY (20 X 8 X 8)', 634-05149 'WHEEL ASSEMBLY (15 X 6 X 6)' (used for machine and part numbers)
Maker's model page · Troy-Bilt LLC
Details
troybilt.com prior-year model page 13BJA1BZ066 (heading 'Super Bronco 50 XP Riding Lawn Mower'; description 'MOWER:NX15 LT50 K46 TB'; manuals listed 769-24750, 769-17450, 769-20951A, 769-23590, 769-23593), retrieved 2026-10-03 (ruling 1: ties the plate to its manuals and engine only) (used for machine and part numbers)
Engine manual 769-17450 · MTD LLC · August 22, 2018
Details
Operator's Manual, 679 cc OHV Vertical Shaft Engine (Form No. 769-17450, August 22, 2018); p1 cover, p13 Replacement Parts; '951-10292 Spark Plug', '937-05145 Air Filter Assembly (Includes Pre-Filter)', '951-12690 Oil Filter' (used for engine)