Belt Tensioner GX20377 for John Deere

OEM / REF: GX20377SKU: pilotpart290856

2pcs Mower Deck Belt Tension Spring GX21582 for John Deere 145 155C 190C D140 D150 D155 D160 D170 E140 E150 E160 E170 E180 G110 CV730 L120 L130 L2048 2048 L2548 2548 LA130 LA140 LA145 LA150 LA155 LA165 LA175 S140 S160 S170 S180 X140 X165 X166 X167 is a Belt Tensioner replacement part indexed for Part Number and Fit...

Stock
In stock
Condition
New
Fitment
John Deere Engine Spare Parts
  • Fitment support before you order
  • Worldwide delivery options

Belt Tensioner Description

This Belt Tensioner is indexed for Part Number; Fit for the following John Deere Models: 145 - Lawn Tractor 155C - Lawn Tractor 190C - Lawn Tractor D140 - Lawn and Garden Tractor D150 - Lawn and Garden Tractor D155 - Lawn and Garden Tractor D160 - Lawn and Garden Tractor D170 - Lawn and Garden Tractor E140 - Lawn and Garden Tractor E150 - Lawn and Garden Tractor E160 - Lawn and Garden Tractor E170 - Lawn and Garden Tractor E180 - Lawn and Garden Tractor G110 - Lawn and Garden Tractor CV730 - Lawn and Garden Tractor L120 - Lawn and Garden Tractor L130 - Lawn and Garden Tractor L2048 - Lawn and Garden Tractor 2048 - Lawn and Garden Tractor L2548 - Lawn and Garden Tractor 2548 - Lawn and Garden Tractor LA130 - Lawn and Garden Tractor LA140 - Lawn and Garden Tractor LA145 - Lawn and Garden Tractor LA150 - Lawn and Garden Tractor LA155 - Lawn and Garden Tractor LA165 - Lawn and Garden Tractor LA175 - Lawn and Garden Tractor S140 - Lawn and Garden Tractor S160 - Lawn and Garden Tractor S170 - Lawn and Garden Tractor S180 - Lawn and Garden Tractor X140 - Lawn and Garden Tractor X165 - Lawn and Garden Tractor X166 - Lawn and Garden Tractor X167 - Lawn and Garden Tractor 46 - BLADE 44 - SNOW BLOWER 42 - SNOW BLOWER L2048 - SCOTTS SCOTTS - SCOTTS 2048 - SCOTTS 2548 - SCOTTS L2548 - SCOTTS 441577 - Engine 407777 - Engine 406577 - Engine 406777 - Engine 445577 - Engine CV23S - Engine 40H777 - Engine 44M777 - Engine 44P777 - Engine SCOTTS - Lawn and Garden Tractor. Compare reference number GX20377 against the label on your existing John Deere component before ordering.

Additional cross references on file: GX21582, 155C, 190C. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

GX20377GX21582155C190CD140D150D155D160D170E140E150E160

Applications

  • Part Number
  • Fit for the following John Deere Models: 145 - Lawn Tractor 155C - Lawn Tractor 190C - Lawn Tractor D140 - Lawn and Garden Tractor D150 - Lawn and Garden Tractor D155 - Lawn and Garden Tractor D160 - Lawn and Garden Tractor D170 - Lawn and Garden Tractor E140 - Lawn and Garden Tractor E150 - Lawn and Garden Tractor E160 - Lawn and Garden Tractor E170 - Lawn and Garden Tractor E180 - Lawn and Garden Tractor G110 - Lawn and Garden Tractor CV730 - Lawn and Garden Tractor L120 - Lawn and Garden Tractor L130 - Lawn and Garden Tractor L2048 - Lawn and Garden Tractor 2048 - Lawn and Garden Tractor L2548 - Lawn and Garden Tractor 2548 - Lawn and Garden Tractor LA130 - Lawn and Garden Tractor LA140 - Lawn and Garden Tractor LA145 - Lawn and Garden Tractor LA150 - Lawn and Garden Tractor LA155 - Lawn and Garden Tractor LA165 - Lawn and Garden Tractor LA175 - Lawn and Garden Tractor S140 - Lawn and Garden Tractor S160 - Lawn and Garden Tractor S170 - Lawn and Garden Tractor S180 - Lawn and Garden Tractor X140 - Lawn and Garden Tractor X165 - Lawn and Garden Tractor X166 - Lawn and Garden Tractor X167 - Lawn and Garden Tractor 46 - BLADE 44 - SNOW BLOWER 42 - SNOW BLOWER L2048 - SCOTTS SCOTTS - SCOTTS 2048 - SCOTTS 2548 - SCOTTS L2548 - SCOTTS 441577 - Engine 407777 - Engine 406577 - Engine 406777 - Engine 445577 - Engine CV23S - Engine 40H777 - Engine 44M777 - Engine 44P777 - Engine SCOTTS - Lawn and Garden Tractor

Specifications

Part NumberGX20377, GX21582

Fitment Notes

Brand or application signal
John Deere Engine Spare Parts
Product family
Belt Tensioner
System category
Engine Spare Parts > Belt Drive Systems > Belt Tensioner
Recommended verification
OEM number, engine model, serial number, old part photos, and dimensions.

Shipping & Returns

Availability
InStock
Shipping
Shipping quotes can be confirmed before payment for heavy or urgent orders.
Returns
Returns are easier when fitment is confirmed before ordering.
B2B support
Bulk, fleet, and repair-shop requests can be handled through the inquiry form.

Frequently Asked Questions

How do I confirm this part fits my machine?

Match the OEM or reference number first, then verify machine model, engine model, serial number, connector layout, mounting points, and old part photos.

Can I order if my part number is not listed?

Yes. Send the old part number, machine plate, and photos through the fitment inquiry form. Support can review possible replacements or alternatives.

Is this an OEM part?

Products are indexed as replacement parts unless explicitly marked otherwise. Always compare reference numbers and confirm fitment before purchase.

Confirm fitment

Send machine details before ordering high-risk parts.