Garden Parts [Lifetime Warranty] 754-04043 Drive Belt Replacement - Fits Cub Cadet 954-04043A RZT 50 RZT42 RZT54 Troy Bilt Mustang XP Colt XP MTD 754-04043B 954-04043 754-04043A Lawn Mower | 1/2" x 57.75"
754-04043 lawn mower drive belt replacement in branded packaging, 1/2 inch by 57.75 inch size.
Specification chart for 754-04043 lawn mower drive belt showing dimensions and material details.
754-04043 lawn mower drive belt compatibility chart for Cub Cadet, Troy Bilt, and MTD models.
Instructional guide for identifying the correct 754-04043 drive belt for Cub Cadet and Troy Bilt lawn mowers.
Infographic showing 754-04043 and 954-04044 lawn mower drive belt compatibility chart and maintenance guide.
Infographic showing 754-04043 lawn mower drive belt features including aramid fiber cords and chloroprene rubber construction
754-04043 replacement drive belt for Cub Cadet and Troy Bilt lawn mowers shown with troubleshooting symptoms.
BlueStars 754-04043 replacement drive belt for lawn mowers, featuring aramid cord construction and performance comparison.
Informational graphic for 754-04043 lawn mower drive belt installation tips and pulley maintenance checklist.
754-04043 drive belt replacement for Cub Cadet and Troy Bilt lawn mowers with installation guide graphic.
754-04043 lawn mower drive belt replacement in branded packaging, 1/2 inch by 57.75 inch size.
Specification chart for 754-04043 lawn mower drive belt showing dimensions and material details.
754-04043 lawn mower drive belt compatibility chart for Cub Cadet, Troy Bilt, and MTD models.
Instructional guide for identifying the correct 754-04043 drive belt for Cub Cadet and Troy Bilt lawn mowers.
Infographic showing 754-04043 and 954-04044 lawn mower drive belt compatibility chart and maintenance guide.
Infographic showing 754-04043 lawn mower drive belt features including aramid fiber cords and chloroprene rubber construction
754-04043 replacement drive belt for Cub Cadet and Troy Bilt lawn mowers shown with troubleshooting symptoms.
BlueStars 754-04043 replacement drive belt for lawn mowers, featuring aramid cord construction and performance comparison.
Informational graphic for 754-04043 lawn mower drive belt installation tips and pulley maintenance checklist.
754-04043 drive belt replacement for Cub Cadet and Troy Bilt lawn mowers with installation guide graphic.
Lifetime Warranty

[Lifetime Warranty] 754-04043 Drive Belt Replacement - Fits Cub Cadet 954-04043A RZT 50 RZT42 RZT54 Troy Bilt Mustang XP Colt XP MTD 754-04043B 954-04043 754-04043A Lawn Mower | 1/2" x 57.75"

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754-04043 Drive Belt Replacement (1/2" x 57.75")

Key Features

  • Type: Engine to Transmission Drive Belt
  • Construction: Aramid cord for enhanced durability and strength
  • Dimensions (Outer Circumference): 57.75 inches
  • Width: 1/2 inch
  • Application: Transmits power from the engine pulley to the transmission pulley

Replaces / Cross-Reference Part Numbers

  • 754-04043
  • 954-04043
  • 954-04043B
  • 754-04043A
  • 75-886
  • 265-211

Compatibility & Fitment

  • Fits select Cub Cadet zero-turn mower models including RZT42, RZT50, and RZT54
  • Fits select Troy-Bilt zero-turn mower models including Mustang XP and Colt XP
  • Fits various MTD manufactured mowers requiring the specified part number
  • Note: Always verify the part number from your owner's manual or original equipment to ensure proper fitment.

When to Replace

  • Visible signs of wear such as cracking, fraying, glazing, or separation of layers.
  • Noticeable slipping or loss of power to the drive wheels.
  • Audible squealing or chirping sounds during mower operation.
  • The belt has stretched and can no longer maintain correct tension.

Installation Tips

  • Before installation, disconnect the spark plug wire for safety.
  • Consult your mower's owner's manual for the correct belt routing diagram and specific replacement procedures.
  • Ensure all pulleys are clean, aligned, and turn freely.
  • After installation, check for proper belt tension as specified by the manufacturer.
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  • PART NUMBERS

    PART NUMBERS

    This Drive Belt replaces part numbers: Cub Cadet 754-04043, 754-04043A, 754-04043B, 954-04043, 954-04043A, 954-04043B
  • SAVING SOLUTION

    SAVING SOLUTION

    Enjoy the great feeling when your mower is repaired and works like before - BlueStars brings DIY solutions to help you deal with any trouble
  • FIX MOWER'S SYMPTOMS

    FIX MOWER'S SYMPTOMS

    Uneven Grass Cutting, Loud or Unusual Noises, Excessive Vibration, Burning Smell, Slipping or Stalling Blades
  • IMPORTANT NOTE

    IMPORTANT NOTE

    This is a replacement part designed to be compatible with certain appliances. Any brand names mentioned are used solely to indicate compatibility.
CHECK BEFORE INSTALLING

CHECK BEFORE INSTALLING

Pulley Bearings: Make sure they spin freely, as damaged bearings can increase friction and wear | Pulleys Edges: Rust or sharp edges can cause belt damage | Pulley Grooves: Clean debris from the pulley grooves | Tensioner Spring: A weak spring can lead to belt slippage and increased friction
4 SIMPLE STEPS

4 SIMPLE STEPS

1. Remove key & disconnect spark plug wire(s) to prevent start; let engine cool | 2. Raise & secure deck, remove belt covers | 3. Release tension, remove old belt (note/take photos of routing) | 4. Install new belt, rotate blades/spindle to check alignment & operation.
Brand Model Number
NOTE This is not an exhaustive list. You can send us your appliance model and we will help you!
Cub Cadet (RZT 50" & 54" Deck Series) RZT-54 (17WI2ACK010, 17AI2ACK010, 17AI2ACK710, 17WI2ACK056, 17AI2ACK056, 17AI2ACK256, 17AI2ACK709, 17WF2ACK010), RZT-54KW (17YI2ACK010), RZT-50 (17WI2ACP010, 17WF2ACP010, 17WF2ACP009, 17RI2ACP256, 17RI2ACP056, 17AI2ACP756, 17AI2ACP710, 17AI2ACP709, 17AI2ACP256, 17AI2ACP056, 17AI2ACP010, 17AI2ACP009, 17AF2ACP010, 17BA5A7P710, 17BA5A7P709, 17AA5D7P756, 17AA5D7P710, 17AA5D7P709, 17AA5B7P756, 17AA5B7P710, 17WI2ACP056, 17BA5A7P712), RZT-50KW (17YI2ACP056, 17YI2ACP010, 17AI2ACP056), RZT-50KH (17YF2ACP010, 17YF2ACP009), RZT-50VT (17WK2ACP009, 17BK2ACP010, 17VK2ACP009, 17VK2ACP010, 17BK2ACP009, 17WK2ACP010)
Cub Cadet (RZT 42" Deck & Older Series) RZT-42 (17YF2ACS010, 17WF2ACS056, 17WF2ACS010, 17WF2ACS009, 17AF2ACS010, 17AE2ACG010, 17AA5B4G709, 17AA5B4G710, 17AE2ACG709, 17BA5A4G712, 17BA5A4G710, 17BA5A4G709, 17AE2ACG756, 17AE2ACG710), RZT-22 (17AA5A7P710, 17AA5A7P712), RZT-17 (17AA5A4G710, 17AA5A4G712)
Troy-Bilt (Mustang Series) Mustang RZT 50" (17AF2ACP211, 17AF2ACP011, 17AF2ACP711, 17AF2ACP766, 17AF2ACP066), Mustang XP 50" (17AF2ACP066), Mustang Colt RZT 42" (17AE2ACG011, 17AE2ACG066, 17AE2ACG211), Mustang XP (17WF2ACP211, 17WF2ACP066, 17WF2ACP011, 17BF2ACP211, 17BF2ACP066, 17BF2ACP011), Colt XP (17WF2ACS011, 17BE2ACG211, 17BE2ACG066, 17BE2ACG011, 17WF2ACS211, 17WF2ACS066), RZT 42" (17AA5AAG766), RZT 50" (17AA5ABP766)
Craftsman & MTD OEM Models Craftsman ZTL7000 (247.250010 17AK2ACS099, 247.250020 17AK2ACP099), Craftsman ZTL8000 (247.250610 17AF2ACK099), MTD 17AE2ACG004, MTD 17AF2ACK004, MTD 17AF2ACP004, MTD 17AF2ACS004, MTD RZT-42 (17AC2ACG004), MTD RZT-50 (17AD2ACP004)
White Outdoor (ZT Series) ZT-17 (17AA5A4G790), ZT-22 (17AA5A7P790), ZT-42 (17AJ2ACG090, 17AA554G790, 17BA5A4G790), ZT-50 (17AK2ACP090, 17BK2ACP090, 17AK2ACP290, 17AA557P790, 17BA5A7P790), ZT-54 (17BK2ACK290, 17AK2ACK090, 17AK2ACK290, 17BK2ACK090), ZT-4200 (17AC2ACG790), ZT-5000 (17AD2ACP790), 17AK2ACP099, 17AK2ACS099, 17AF2ACK897, 17AF2ACP897
Yard-Man & Yard Machines & Murray Yard-Man RZT-42 (17AA5AAG700, 17AE2ACG004, 17AC2ACG004, 17AC2ACG055, 17AC2ACS055, 17AC2ACS058, 17AF2ACS004), Yard-Man RZT-50 (17AF2ACP004, 17AD2ACP004), Yard-Man RZT-54 (17AF2ACK004), Yard Machines RZT-42 (17AA5AAG700), Murray MZ2142 (17AC2ACS058), Murray MZ210-42 (RZT-42)
Columbia (RZT & ZT Series) RZT-42 (17AJ2ACG897, 17AJ2ACG597, 17AA554G755), RZT-50 (17AK2ACP897, 17AK2ACP597, 17BK2ACP597, 17AF2ACP897), ZT-50 (17AF2ACP897), ZT-54 (17AF2ACK897)

FAQ

This belt is commonly used as a transmission/drive belt on select zero-turn mowers from Cub Cadet, Troy-Bilt, and MTD. Models referenced in the available fitment information include Cub Cadet RZT42, RZT50, and RZT54; Troy-Bilt Mustang XP and Colt XP; and MTD RZT42, RZT50, and RZT50VT. Because zero-turn mowers can vary by deck size, drive system, and production year, match the belt part number from your mower's model tag or parts diagram before ordering.
The listed replacement numbers include 754-04043, 754-04043A, 754-04043B, 954-04043, 954-04043A, and 954-04043B. Some listings also show the no-dash formats 75404043 and 95404043 as cross-references.
This part is typically identified as a drive belt, also called a transmission drive belt, for the mower's ground-drive system rather than the blade deck. On the model groups referenced for this part number family, it is used to transfer power through the drive system so the mower moves. Always confirm against your mower's parts lookup, since some sellers may loosely label belts and nearby deck-belt part numbers can be similar.
Typical symptoms include the mower moving slowly or not at all, weak hill-climbing power, jerky engagement, belt squealing, a burning rubber smell, or visible belt damage such as glazing, cracking, frayed edges, stretching, or missing chunks. If the belt has come off repeatedly, also inspect the idler pulleys, belt keepers, and tensioner spring rather than replacing the belt alone.
On most RZT/Mustang/Colt XP style zero-turns, replacing the drive belt is a moderate repair. Plan on about 45 to 90 minutes depending on access and whether the mower has accumulated debris or rust around the pulley hardware. Common tools include a socket set, wrenches, pliers, and possibly a breaker bar to relieve tension on the idler. For safety, disconnect the spark plug wires, remove the ignition key, and follow the belt-routing diagram for your exact model before removing the old belt.
Before installation, clean packed grass and debris from the belt path and inspect the idler pulleys, pulley grooves, belt guides, and tensioner arm for wear or misalignment. Spin each pulley by hand and listen for rough bearings. Also verify the old belt number if still readable, because belts in this series are very close in size and a near-match can cause slipping or premature wear. If the old belt failed suddenly, look for a seized pulley or weak tension spring as the root cause.