Riding mower · Troy-Bilt Super Bronco 42 Hydro / Super Bronco 42 XP

Troy-Bilt 13A8A1BS066 and 13A8A9BS066 parts: blades, belts, spark plug, air filter, oil filter and fuel filter

Checked October 6, 2026 · From the manufacturer's operator's manual and parts list

42 in deck
547 cc

Your model

Fits 13A8A1BS066 (42 in deck) and 13A8A9BS066 (42 in deck). Where a part differs, the row names the model.

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Parts for the Troy-Bilt 13A8A1BS066 and 13A8A9BS066

Part	Number and size	Buy
Blade	MTD `942-04308A` part details Replaces 942-04308, 942-04312, 942-04312A	Search Amazon for 942-04308A
Deck belt13A8A1BS066	Not confirmed
Deck belt13A8A9BS066	MTD `954-05021` part details	Search Amazon for 954-05021
Drive belt	MTD `954-05027B` part details Replaces 954-05027A, 954-05027	Search Amazon for 954-05027B
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

Checked October 6, 2026 · 26 sources

Other wear parts

Fuel filter	MTD `951-3013` part details	Search Amazon for 951-3013

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

Other machines that use these parts (92)

Troy-Bilt Bronco 42 / Bronco 42I / TB2142 blade
Cub Cadet LTX 1040 blade
Cub Cadet LTX 1042 KW / XT2-LX42 KW blade
Cub Cadet XT1 LT46 with IntelliPower / XT1 LT42 with IntelliPower and others drive belt, oil filter, air filter, spark plug and fuel filter
Cub Cadet XT1-LT42 C / XT1 LT42 and others deck belt and drive belt
Troy-Bilt Pony 42 / Pony 42X and others oil filter, air filter, spark plug and fuel filter
Troy-Bilt Pony 42 blade, oil filter, spark plug and fuel filter
Troy-Bilt Pony 42K blade
Cub Cadet ZT1 46 / ZT1 42 blade
Cub Cadet XT2 LX42 / XT2 LX46 drive belt, oil filter and spark plug
Cub Cadet XT1 LT42 / XT2-LX42 KH deck belt and drive belt
Troy-Bilt Pony 42T / Super Bronco / TB30T oil filter, spark plug and fuel filter
Troy-Bilt Mustang Z50 / Mustang Z42 oil filter and spark plug
Cub Cadet RZT50 / RZT42 / RZT54 blade
Cub Cadet RZT-L42 / RZT-S42 and others blade
Cub Cadet RZT-S42 / RZT-S50 / RZT-S46 blade
Troy-Bilt Super Bronco 50 drive belt
Cub Cadet XT1 LT46 drive belt
Troy-Bilt Super Bronco 46 / Super Bronco 50T and others drive belt, oil filter and spark plug
Troy-Bilt Super Bronco 46 XP FAB / Super Bronco 46K FAB XP and others drive belt
Troy-Bilt Super Bronco 50 XP / Super Bronco 50K XP / Super Bronco 54 XP drive belt
Cub Cadet XT1 LT50 FAB / XT1 ST54 drive belt
Cub Cadet XT2 SLX50 / XT1-LT50 and others drive belt
Cub Cadet XT2 SLX54 / XT1-ST54 KH FAB and others drive belt
Troy-Bilt Super Bronco 54 FAB / Super Bronco 54 / Super Bronco GT 54 FAB drive belt
Cub Cadet XT2 SLX50 / XT2 SLX54 / XT2 LX46 drive belt
Cub Cadet XT1-LT46 KH / XT2-LX46 KH / XT1-LT46 drive belt
Troy-Bilt Super Bronco 50B / Super Bronco 50K FAB XP / Super Bronco 50 XP Hydro drive belt
Troy-Bilt Super Bronco 54 Hydro / Super Bronco 54 XP FAB and others drive belt
Cub Cadet XT2 GX50 drive belt
Cub Cadet XT1 GT54 / XT1 GT54 FAB drive belt
Troy-Bilt Super Bronco 46I XP drive belt
Troy-Bilt Super Bronco 50K XP drive belt
Cub Cadet XT1 LT42B drive belt
Cub Cadet XT1 LT42 IntelliPOWER / XT1 LT46 INTELLIPOWER oil filter, air filter, spark plug and fuel filter
Troy-Bilt Mustang Z42 / Mustang Z46 oil filter, spark plug and fuel filter
Troy-Bilt TB WC33 XP oil filter and spark plug
Cub Cadet CC 760 ES / CC 800 oil filter and spark plug
Cub Cadet ZT1 46 oil filter and spark plug
Craftsman T1000 Lawn Tractor / T1200 Lawn Tractor and others oil 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 / Vortex Tracker 2890 XP spark plug
Troy-Bilt Storm 3090 / Vortex 2490 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
MTD Gold Two-Stage Snow Thrower / 600 Series Snow Thrower spark plug
Cub Cadet 3X 24" / 3X 24" HD and others spark plug
Cub Cadet 2X 526 SWE / 2X 28" HP and others spark plug
Troy-Bilt Vortex 2895 XP / Storm Tracker 2890 / Storm 2890 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 and others 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 CC 94M / CC 98M and others spark plug
Cub Cadet 3X 26" TRAC / 3X 30" 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
Troy-Bilt Vortex Tracker 2890 spark plug
Yard Machines 600 Series Snow Thrower / Two-Stage Snow Thrower spark plug
Yard Machines Two-Stage Snow Thrower spark plug
Remington Two-Stage Snow Thrower spark plug
Remington Two-Stage Snow Thrower spark plug
MTD Two-Stage Snow Thrower spark plug
Yard Machines Two-Stage Snow Thrower spark plug
Columbia Two-Stage Snow Thrower / Three-Stage Snow Thrower / Heavy Duty Three Stage Snow Thrower spark plug
Columbia Two-Stage Snow Thrower spark plug
Columbia Three Stage Track Snow Thrower spark plug
Columbia Two-Stage Snow Thrower spark plug
Columbia Two-Stage Snow Thrower spark plug
Columbia Three-Stage Snow Thrower / Two-Stage Snow Thrower spark plug
Columbia Three-Stage Snow Thrower spark plug
Troy-Bilt TB 340 spark plug
Cub Cadet CC 600 spark plug
Troy-Bilt TB WC28 spark plug
Cub Cadet CC500 / CC 550 SP / CC 550 ES spark plug

Where these numbers come from (26 sources)

Every part number above is printed in at least two of these. Checked October 6, 2026. How we check parts.

Operator's manual 769-12752 · Troy-Bilt LLC · October 26, 2017
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. 769-12752, October 26, 2017); p1 Replacement Parts: '954-05021 Deck Belt, 42” Deck', '954-05027A Drive Belt', '942-04308 Blades, 42” Decks', '634-0104 Rear Wheel Assembly, 20.0 x 8.0 x 8.0, 42”, 46” & 50“ Deck', '634-05149 Front Wheel Assembly, 15 x 6 x 6, 42”, 46” & 50” Deck' (used for machine and part numbers)
Operator's manual 769-12498 · Troy-Bilt LLC · September 15, 2017
Details
Parts/Warranty Supplement, Troy-Bilt Tuffy/Pony, Bronco, TB46 Automatic, Horse, TB42 Hydro (Form No. 769-12498, September 15, 2017); p1 Replacement Parts: '954-04060C Deck Belt (42” Mowing Deck)', '954-04219 Drive Belt (46” Mowing Deck)', '942-04308 Blade (42” Mowing Deck)', '942-04290 Blade (46” Mowing Deck)', '734-04240A Tire (Front) 15 x 6 x 6 Round Shoulder', '734-1731 Tire (Front) 15 x 6 x 6 Square Shoulder', '734-04241 Tire (Rear) 20 x 8 x 8 Round Shoulder', '734-1730 Tire (Rear) 20 x 8 x 8 Square Shoulder' (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2018 variant
Details
Troy-Bilt 13A8A1BS066 (2018) IPL .Quick Reference: '954-05021 Belt (Deck Spindle)'; '954-05027A Belt (Lower Drive)' superseded to 954-05027B; '942-04308 Blades' superseded to 942-04308A; engine rows '951-10292 Spark Plug' superseded to 951-10292A, '937-05066 Air Filter', '951-12690 Oil Filter', '951-3013 Fuel Filter' (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2018 variant
Details
Troy-Bilt 13A8A1BS066 (2018) IPL Deck: #23 '942-04308 21.23" BLADE (2N1)' superseded to 942-04308A; #26 '954-05021 V-BELT A SEC x 99.75' (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2018 variant
Details
Troy-Bilt 13A8A1BS066 (2018) IPL Drive: #24 '954-05027A V-BELT A SEC x 91.10' superseded to 954-05027B (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2018 variant
Details
Troy-Bilt 13A8A1BS066 (2018) IPL Label Map: 777D20802 'LABEL-ENG SHROUD 547CC T-BILT'; 777D22265 'LABEL-42" DECK T-BILT'; 777D23325 'LABEL-42" DECK T-BILT XP' (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2018 variant
Details
Troy-Bilt 13A8A1BS066 (2018) IPL Engine Accessories: #16 '951-3013 FUEL FILTER'; '951-14504A EXHAUST MUFFLER (SINGLE)' (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2018 variant
Details
Troy-Bilt 13A8A1BS066 (2018) IPL Wheels: #1 '634-0104 WHEEL ASSEMBLY (20 X 8 X 8)'; #2 '634-05149 WHEEL ASSEMBLY (15 X 6 X 6)' (used for machine and part numbers)
Engine manual 769-09649C · MTD LLC · July 21, 2017
Details
Operator's Manual, 547 cc OHV Vertical Shaft Engine (Form No. 769-09649C, July 21, 2017); p1 cover; p17 Replacement Parts: '951-10292 Spark Plug', '937-05066 Air Filter Assembly (Includes Pre-Filter)', '951-3013 Fuel Filter', '951-12690 Oil Filter' (used for machine and part numbers)
Maker's model page · Troy-Bilt LLC
Details
troybilt.com model page 13A8A1BS066 (heading 'Super Bronco 42 Hydro Troy-Bilt Riding Lawn Mower'; description 'MOWER:NX15 LT:42SD HYD B STYLE'; 547cc engine manual listed as 'MANL:OPER:BILING:547cc:MTD ENG'; manuals listed 769-09649C, 769-12412B, 769-12498, 769-12752), retrieved 2026-10-06 (ruling 1: ties the plate to its manuals and engine only) (used for machine and part numbers)
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; '954-05021 Deck Belt, 42” Deck', '954- 05027A Drive Belt', '942-04308A Blades, 42” Decks', '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 13A8A9BS066 (2020) IPL .Quick Reference: 954-05021 'V-BELT A SEC x 99.75' Belt (Deck Spindle); 954-05027B 'V-BELT A SEC x 90.90' Belt (Lower Drive); 942-04308A '21.23" BLADE (2N1)' Blades; 547cc engine parts 951-10292 (-> 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 13A8A9BS066 (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 13A8A9BS066 (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)
Parts list · PartsTree (dealer copy of MTD IPL) · 2015 variant
Details
Cub Cadet XT1-LT 42 (13WVA1CS010) 2015 IPL .Quick Reference: '954-05027A Belt (Drive) ... Superseded to 954-05027B' (supersession record on another machine's diagram, ruling 2) (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 13A8A9BS066 (heading 'Super Bronco 42 XP Riding Lawn Mower'; description 'MOWER:NX15 LT42 SD TL200 TB'; manuals listed 769-25330, 769-20951A, 769-23590, 769-23593, 769-24750), 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 (para uso sin bomba de combustible)', '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)
Engine manual 769-09649B · MTD LLC · August 25, 2015
Details
Operator's Manual, 547 cc OHV Vertical Shaft Engine (Form No. 769-09649B, August 25, 2015); p17 Replacement Parts: '951-10292 Spark Plug', '937-05066 Air Filter Assembly (Includes Pre-Filter)', '951-3013 Fuel Filter', '951-12690 Oil Filter' (an earlier edition of the same MTD engine manual; 769-09649C, July 21, 2017, prints the same four lines) (used for engine)
Parts list · PartsTree (dealer copy of MTD IPL) · 2018 variant
Details
Craftsman 247.273740 (13A878XT099) (2018) IPL .Quick Reference: '937-05066 Air Filter'; '951-12690 Oil Filter'; '951-10292 Spark Plug' superseded to 951-10292A; Engine Accessories '951-3013 FUEL FILTER'; Label Map 777D22492 'LABEL-ENG SHROUD 547CC CRAFTSMAN' (used for engine)