[Grip120] 126-7443 Deck Belt | Fits 52" Deck Exmark Radius E S X Series RZE724GKC52300 RZE708GEM52300 | 163"
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CONFIRM THIS PART FITS
Enter appliance or equipment model number to verify compatibility with this part
Replaces Part Numbers
126-7443 Deck Belt | 163"
Key Features
- High-strength construction resistant to heat and oil.
- Engineered for consistent tension and minimal stretch under load.
- Designed for high-torque deck operation.
- Wrapped cover for enhanced durability and wear resistance.
- Dimensions: 5/8" width x 163" effective length.
Replaces / Cross-Reference Part Numbers
- Exmark: 126-7443
- Exmark: 126-7443-SL, 126-7443-SU
Compatibility & Fitment
- Fits Exmark Radius E-Series: 52" Decks
- Fits Exmark Radius S-Series: 52" Decks
- Fits Exmark Radius X-Series: 52" Decks
- Commonly fits models including RZE724GKC52300 and RZE708GEM52300.
When to Replace
- Visible signs of fraying, cracking, or dry rot on the belt sidewalls.
- Slippage occurring during heavy grass cutting or engagement.
- Loss of tension resulting in poor blade speed or uneven cut quality.
- Physical stretching that prevents the belt tensioner from functioning within its specified range.
Installation Tips
- Ensure the engine is off and the spark plug wire is disconnected before service.
- Release the deck tensioner spring completely to provide enough slack for removal.
- Verify that all pulleys are free of debris and rotate smoothly before installing the new belt.
- Ensure the belt is properly seated in the V-grooves of all pulleys, including the deck spindles and the electric clutch.
- Cycle the blade engagement handle several times after installation to ensure proper belt seating.
![[Grip120] 126-7443 Deck Belt | Fits 52" Deck Exmark Radius E S X Series RZE724GKC52300 RZE708GEM52300 | 163" 1](https://cdn.shopify.com/s/files/1/2576/7548/files/AZ00109365_aplus_4.jpg?v=1786347427)
![[Grip120] 126-7443 Deck Belt | Fits 52" Deck Exmark Radius E S X Series RZE724GKC52300 RZE708GEM52300 | 163" 2](https://cdn.shopify.com/s/files/1/2576/7548/files/AZ00109365_aplus_3.jpg?v=1786347427)
![[Grip120] 126-7443 Deck Belt | Fits 52" Deck Exmark Radius E S X Series RZE724GKC52300 RZE708GEM52300 | 163" 3](https://cdn.shopify.com/s/files/1/2576/7548/files/AZ00109365_aplus_2.jpg?v=1786347427)
![[Grip120] 126-7443 Deck Belt | Fits 52" Deck Exmark Radius E S X Series RZE724GKC52300 RZE708GEM52300 | 163" 4](https://cdn.shopify.com/s/files/1/2576/7548/files/AZ00109365_aplus_1.jpg?v=1786347427)
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![[Grip120] 126-7443 Deck Belt | Fits 52" Deck Exmark Radius E S X Series RZE724GKC52300 RZE708GEM52300 | 163" 1](https://cdn.shopify.com/s/files/1/2576/7548/files/AZ00109365_aplus_5.jpg?v=1786347428)
PART NUMBERS
This Deck Belt replaces: Exmark 126-7443, 126-7443-SL, 126-7443-SU. -
![[Grip120] 126-7443 Deck Belt | Fits 52" Deck Exmark Radius E S X Series RZE724GKC52300 RZE708GEM52300 | 163" 2](https://cdn.shopify.com/s/files/1/2576/7548/files/AZ00109365_aplus_6.jpg?v=1786347428)
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. -
![[Grip120] 126-7443 Deck Belt | Fits 52" Deck Exmark Radius E S X Series RZE724GKC52300 RZE708GEM52300 | 163" 3](https://cdn.shopify.com/s/files/1/2576/7548/files/AZ00109365_aplus_7.jpg?v=1786347427)
FIX MOWER'S SYMPTOMS
Uneven Grass Cutting, Loud or Unusual Noises, Excessive Vibration, Burning Smell, Slipping or Stalling Blades. -
![[Grip120] 126-7443 Deck Belt | Fits 52" Deck Exmark Radius E S X Series RZE724GKC52300 RZE708GEM52300 | 163" 4](https://cdn.shopify.com/s/files/1/2576/7548/files/AZ00109365_aplus_8.jpg?v=1786347427)
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
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
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.
Compatible Models
Locate the model number of your appliance or equipment on the manufacturer's label and use it to check compatibility before ordering
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FAQs
Suggestions
Common Model Number Locations
Need help finding your model number? Select your appliance or lawn equipment below for location diagrams
- Above the refrigerant valves on the back of the air conditioner
- On the side of the unit near the run capacitor or electrical lines that go into your home
- On either side of the exterior
- On the back of the unit where the power cord is located
- In the cool air exhaust port
- To the left of the fan opening, on the weather barrier
- Below the control panel
- On either side of the exterior
- Behind the front grill on the frame
- On the door frame
- On the inside of the tub wall
- Behind the control panel
- On the door
- Inside the edge of the unit
- On the back exterior
- On the door
- On the side of hose storage
- Inside the edge of the unit
- On inside of the door
- On the door frame
- On the back exterior of the unit
- On the exterior side of the unit
- Behind the control panel
- On the inside of the door
- On the door frame
- On the exterior side of the unit
- At the top of the unit
- On the inside of the dryer door
- On the door frame
- Under the washer lid
- On either side of the exterior
- On the back exterior of the unit
- On the door frame
- On the exterior side of the unit
- On interior wall
- On the control panel
- On side of door
- On the right-hand side of the vent, under the control panel
- On the interior wall of the microwave (microwave model number only)
- On the door frame
- On the rear panel
- On the exterior back of the unit
- Inside the top part of the vent duct (in down-draft models)
- Underneath a burner
- Underneath a knob
- Underneath the cooktop (lift-up style)
- Bottom of cooktop
- On an exterior wall
- On an inside wall
- On the door frame
- On the right-hand side of the vent, under the control panel
- On the interior wall of the microwave (microwave model number only)
- On the door frame
- On the rear panel
- Behind the control panel
- Under the front surface unit
- On the door frame
- Interior side panel
- On the exterior of the unit
- On the inside of the lower storage compartment wall
- On top the hood
- Behind the filter
- Under the hood
- On the inside of the door
- On the exterior back of the unit
- Inside on the rear wall
- On the exterior side of the unit
- On door jamb
- On rear of frame
- Behind front panel
- On ceiling of refrigerator
- On interior wall
- On the inside of the door
- Behind crisper drawer
- Behind kickplate
- On ceiling of refrigerator
- On interior wall
- On door frame
- Behind crisper drawer
- Behind kickplate
- On ceiling of freezer
- On interior wall
- On the inside of the door
- Behind kickplate
- On the exterior side of the unit
- On inside of the door
- On the door frame
- On the back exterior of the unit
- On the front exterior of the unit
- On the control panel
- Inside the lid
- Under the lid on the frame
- On the exterior of the unit
- At the top of the unit
- On the inside of the dryer door
- On the door frame
- Under the washer lid
- On either side of the exterior
- On the top center of heater
- On the exterior of the unit
- On the starter housing
- On the side of the housing, behind the top handle
- On the side of the motor housing
- Near the rear grip
- On the top or sides of the engine housing
- On the gas tank
- On the recoil housing
- On the handle bars
- On top of the engine cover
- Near discharge chute, often behind chute flaps
- On rear of the deck, behind the engine
- Dash panel
- Back of mower/rear bumper
- Underside of the seat
- Lower side of hood, near engine
- Frame (beneath the seat, footrest)
- Mower deck
- Underside of the seat
- Frame beneath or near the seat
- Back of mower/rear bumper
- Lower left side between gas tank and mower deck
- Under the foot plate
- On the rear of the blower
- Inside of vacuum canister
- Side of the motor housing
- On the rear base of the vacuum
- On the bottom of the belly of the vacuum
- On the frame near the engine
- On the side of the auger housing
- On the lower rear of the snow blower between wheels
- On the side of the motor housing
- On the shaft
Select an appliance to see where its model number is located.
