Riding mower · Troy-Bilt Pony 42 / Pony 42X and others

Troy-Bilt riding mower parts: blades, deck belt, spark plug, air filter, oil filter and fuel filter

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

547 cc

Your model

Fits 4 models. Check yours is listed

Where a part differs, the row names the model.

13A877BS066 Pony 42 · 42 in deck
13A877BS266 Pony 42X · 42 in deck
13A878BS066 Bronco 42X · 42 in deck
13A878BT066 Bronco 46 · 46 in deck

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Parts for these 4 models

Part	Number and size	Buy
Blade13A877BS066, 13A877BS266, 13A878BS066	MTD `942-04308A` part details Replaces 942-04308, 942-04312, 942-04312A	Search Amazon for 942-04308A
Blade13A878BT066	MTD `942-04290A` part details Replaces 942-04290, 942-04244A	Search Amazon for 942-04290A
Deck belt13A877BS066, 13A877BS266, 13A878BS066	MTD `954-04060C` part details Replaces 954-04060B	Search Amazon for 954-04060C
Deck belt13A878BT066	MTD `954-04219` part details	Search Amazon for 954-04219
Oil filter	MTD `951-12690` part details	Search Amazon for 951-12690
Air filter	MTD `937-05066` part details	Search Amazon for 937-05066
Spark plug	MTD `951-10292A` part details Replaces 951-10292	Shop
Fuel filter	MTD `951-3013` part details	Search Amazon for 951-3013

Checked October 3, 2026 · 30 sources

Engine: MTD 547 cc OHV vertical shaft

Displacement: 547 cc
Oil filter: MTD 951-12690
Spark plug: MTD 951-10292A
Air filter: MTD 937-05066
Fuel filter: MTD 951-3013

Where's my model number?

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

Other machines that use these parts (50)

Troy-Bilt Bronco 42 / TB2142 blade and deck belt
Cub Cadet LTX 1040 blade and deck belt
Cub Cadet LTX 1042 KW / XT2-LX42 KW blade
Cub Cadet XT1 LT46 with IntelliPower / XT1 LT42 with IntelliPower and others oil filter, air filter, spark plug and fuel filter
Cub Cadet XT1 LT42 blade
Troy-Bilt Super Bronco 42 XP blade, oil filter, air filter, spark plug and fuel filter
Troy-Bilt Pony 42 blade, deck belt, oil filter, spark plug and fuel filter
Troy-Bilt Pony 42K blade and deck belt
Cub Cadet ZT1 46 / ZT1 42 blade
Troy-Bilt TB2246 blade and deck belt
Cub Cadet LTX 1046 M / LTX 1045 blade and deck belt
Cub Cadet XT2-LX46 KW blade
Cub Cadet XT1-LT46 FAB / XT2-LX46 KH blade
Cub Cadet XT1 LT46 blade
Troy-Bilt Bronco 46K blade and deck belt
Troy-Bilt Super Bronco 46 / Super Bronco XP 54 / Super Bronco 50 XP oil filter and spark plug
Troy-Bilt Super Bronco 46 XP blade
Cub Cadet XT1 LT42 IntelliPOWER / XT1 LT46 INTELLIPOWER oil filter, air filter, spark plug and fuel filter
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 (30 sources)

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

Operator's manual 769-17291B · Troy-Bilt LLC · November 4, 2019
Details
Parts/Warranty Supplement, Troy-Bilt Tuffy/Pony, Bronco, TB46 Automatic, Horse, TB42 Hydro (Form No. 769-17291B, November 4, 2019); p1 Replacement Parts; '954-04060C Deck Belt (42” Mowing Deck)', '942-04308 Blade (42” Mowing Deck)', '734-04240A Tire (Front) 15 x 6 x 6 Round Shoulder', '734-04241 Tire (Rear) 20 x 8 x 8 Round Shoulder' (also square-shoulder 734-1731 / 734-1730) (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2018 variant
Details
Troy-Bilt 13A877BS066 (2018) IPL .Quick Reference: 954-04060C 'Belt (Deck Spindle)'; 942-04308 (superseded to 942-04308A; 2020 Quick Reference prints 942-04308A) 'Blades'; 547cc engine parts 951-10292 (superseded to 951-10292A), 937-05066, 951-12690, 951-3013 (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2018 variant
Details
Troy-Bilt 13A877BS066 (2018) IPL Label Map: 777D20802 'LABEL-ENG SHROUD 547CC T-BILT' (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2019 variant
Details
Troy-Bilt 13A877BS066 (2019) IPL .Quick Reference: 954-04060C 'Belt (Deck Spindle)'; 942-04308 (superseded to 942-04308A; 2020 Quick Reference prints 942-04308A) 'Blades'; 547cc engine parts 951-10292 (superseded to 951-10292A), 937-05066, 951-12690, 951-3013 (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2019 variant
Details
Troy-Bilt 13A877BS066 (2019) IPL Label Map: 777D20802 'LABEL-ENG SHROUD 547CC T-BILT' and 777D29761 'LABEL-ENG SHROUD 547CC T-BILT LT5' (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2020 variant
Details
Troy-Bilt 13A877BS066 (2020) IPL .Quick Reference: 954-04060C 'Belt (Deck Spindle)'; 942-04308 (superseded to 942-04308A; 2020 Quick Reference prints 942-04308A) 'Blades'; 547cc engine parts 951-10292 (superseded to 951-10292A), 937-05066, 951-12690, 951-3013 (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2020 variant
Details
Troy-Bilt 13A877BS066 (2020) IPL Label Map: 777D31838 'LABEL-TROY BILT 547CC OHV LT5' (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2020 variant
Details
Troy-Bilt 13A877BS066 (2020) IPL Wheels (Front) and Wheels (Rear): 'WHEEL ASSEMBLY (15 x 6 x 6)', 'WHEEL ASSEMBLY (20 x 8 x 8)' (rear page wheels-rear-32) (used for machine and part numbers)
Operator's manual 769-21130B · MTD Products · May 7, 2020
Details
Operator's Manual, Front Engine Lawn Tractor (Form No. 769-21130B, May 7, 2020); 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 13A877BS066 (heading 'Pony® 42 Riding Lawn Mower'; description 'MOWER:LT5:42SD 7SPD B STYLE'; manuals listed 769-26892, 769-26893, 769-26990, 769-27027, 769-26804, 769-25330, 769-21130B, 769-23590, 769-23593, 769-17291B), 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 13A877BS266 (2020) IPL .Quick Reference: 954-04060C 'Belt (Deck Spindle)'; 942-04308A (Deck page: 942-04308 superseded to 942-04308A) 'Blades'; 547cc engine parts 951-10292 (superseded to 951-10292A), 937-05066, 951-12690, 951-3013 (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2020 variant
Details
Troy-Bilt 13A877BS266 (2020) IPL Label Map: 777D31838 'LABEL-TROY BILT 547CC OHV LT5' (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2020 variant
Details
Troy-Bilt 13A877BS266 (2020) IPL Wheels (Front) and Wheels (Rear): 'WHEEL ASSEMBLY (15 x 6 x 6)', 'WHEEL ASSEMBLY (20 x 8 x 8)' (rear page wheels-rear-30) (used for machine and part numbers)
Maker's model page · Troy-Bilt LLC
Details
troybilt.com prior-year model page 13A877BS266 (heading 'Pony 42X Troy-Bilt Riding Lawn Mower'; description 'MOWER:LT5 42SD 7SP CA TB'; manuals listed 769-25330, 769-21130B, 769-23591, 769-23593, 769-17291B), 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 13A878BS066 (2020) IPL .Quick Reference: 954-04060C 'Belt (Deck Spindle)'; 942-04308A 'Blades'; 547cc engine parts 951-10292 (superseded to 951-10292A), 937-05066, 951-12690, 951-3013 (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2020 variant
Details
Troy-Bilt 13A878BS066 (2020) IPL Label Map: 777D31838 'LABEL-TROY BILT 547CC OHV LT5' (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2020 variant
Details
Troy-Bilt 13A878BS066 (2020) IPL Wheels (Front) and Wheels (Rear): 'WHEEL ASSEMBLY (15 x 6 x 6)', 'WHEEL ASSEMBLY (20 x 8 x 8)' (rear page wheels-rear-29) (used for machine and part numbers)
Maker's model page · Troy-Bilt LLC
Details
troybilt.com prior-year model page 13A878BS066 (heading 'Bronco 42X Riding Lawn Mower'; description 'MOWER:LT5 42SD CVT TB'; manuals listed 769-25330, 769-21130B, 769-23590, 769-23593, 769-17291B), 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)
Details
Troy-Bilt 13A877BS066 (2020) IPL Deck: '942-04308 Blade' superseded to 942-04308A (records the chain for the identical number; ruling 2) (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2020 variant
Details
Troy-Bilt 13A878BT066 (2020) IPL .Quick Reference: 954-04219 'Belt (Deck Spindle)'; 942-04290A (Deck page: 942-04290 superseded to 942-04290A) 'Blades'; 547cc engine parts 951-10292 (superseded to 951-10292A), 937-05066, 951-12690, 951-3013 (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2020 variant
Details
Troy-Bilt 13A878BT066 (2020) IPL Label Map: 777D31838 'LABEL-TROY BILT 547CC OHV LT5' (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2020 variant
Details
Troy-Bilt 13A878BT066 (2020) IPL Wheels (Front) and Wheels (Rear): 'WHEEL ASSEMBLY (15 x 6 x 6)', 'WHEEL ASSEMBLY (20 x 8 x 8)' (rear page wheels-rear-29) (used for machine and part numbers)
Maker's model page · Troy-Bilt LLC
Details
troybilt.com prior-year model page 13A878BT066 (heading 'Bronco™ 46 Riding Lawn Mower'; description 'MOWER:LT5 46SD CVT TB'; manuals listed 769-26892, 769-26893, 769-26990, 769-27027, 769-26804, 769-25330, 769-21130B, 769-23590, 769-23593, 769-17291B), retrieved 2026-10-03 (ruling 1: ties the plate to its manuals and engine only) (used for machine and part numbers)
Engine manual 769-25330 · MTD Products · September 25, 2020
Details
Operator's Manual, 547 cc OHV Vertical Shaft Engines (Form No. 769-25330, September 25, 2020); p1 cover, p14 Replacement Parts; '951-10292 Spark Plug', '937-05066 Air Filter Assembly (Includes Pre-Filter)', '951-3013 Fuel Filter', '951-12690 Oil Filter' (used for engine)
Engine manual 769-17314 · MTD Products · August 29, 2018
Details
Operator's Manual, 547cc OHV vertical shaft engine (Form No. 769-17314, August 29, 2018); Replacement Parts (an earlier edition of 769-25330); same four lines (used for engine)
Engine manual 769-27027 · MTD Products · August 29, 2024
Details
Operator's Manual, 547 cc OHV Vertical Shaft Engines (Form No. 769-27027, August 29, 2024); p14 Replacement Parts (a later edition of 769-25330); '951-10292A Spark Plug', '937-05066', '951-3013 Fuel Filter (for use without fuel pump)', '951-22912 Fuel Filter (for use with fuel pump)', '951-12690' (used for engine)
Operator's manual 769-23211B · Cub Cadet LLC · May 10, 2021
Details
Parts/Warranty Supplement, Cub Cadet LT 42 to ST 54 FAB (Form No. 769-23211B, May 10, 2021); pp1-2 Replacement Parts; Cub Cadet engine lines '951-12690 Oil Filter: Cub Cadet', '937-05066 Air Filter: Cub Cadet', '951-3013 Fuel Filter: Cub Cadet', '951-10292A Spark Plug: Cub Cadet' (used for engine)
Parts list · PartsTree (dealer copy of MTD IPL) · 2021 variant
Details
Cub Cadet 13A6A9CS010 (2021) IPL .Quick Reference: '951-10292 SPARK PLUG ... Superseded to 951-10292A', '937-05066 AIR FILTER W/PREFILTER', '951-3013 FUEL FILTER', '951-12690 ENGINE OIL FILTER' (used for engine)
Parts list · PartsTree (dealer copy of MTD IPL) · 2021 variant
Details
Cub Cadet 13A6A9CS010 (2021) IPL Label Map: 777D31379 'LABEL-INTELLIPOWER 547CC CUB NX-15' (used for engine)
Parts list · PartsTree (dealer copy of MTD IPL) · 2023 variant
Details
Cub Cadet 13A6A9TSA10 (2023) IPL Engine Accessories: '951-3013 FUEL FILTER' (likewise 13A6A9TS010 2024 and 13B6A9TTA10 2024) (used for engine)