Canamax GX21833 Lawn Mower Deck Belt - Fits 48 inch Mower Deck J-Deere L120 L130 D140 D150 D155 D160 E140 E150 E160 E170 LA130 LA140 LA145 LA155 LA165 X140 X165 | Aramid Cord | 1/2" x 141.7"

What It Is

The Canamax GX21833 is an aftermarket replacement deck belt for 48-inch mower decks on select John Deere lawn tractors. It drives the blades via the engine pulley, and is designed for residential mowing use.

Fitment & Compatibility

Models confirmed to fit: John Deere L120, L130, D140, D150, D155, D160, E140, E150, E160, E170, LA130, LA140, LA145, LA155, LA165, X140, X165.

Critical check before buying:

• Deck size must be 48 inches. This belt will not work with 42-inch or 54-inch decks.
• Measure your old belt: The Canamax is 1/2" wide x 141.7" long. Your OEM belt should match these numbers exactly. If yours is even slightly different, this belt won’t fit.
• OEM cross-reference: Replaces John Deere part numbers GX21833, GX21834, GX21835, and AM141897. Verify your tractor’s original belt number matches one of these.
• Belt routing: This belt must be routed exactly like the factory belt. Check your deck’s belt routing diagram (usually printed on the deck) before installation.

Key Things to Know

• Aramid cord construction is a step up from basic rubber belts—more heat and wear resistant, but still a budget aftermarket option. Expect 1–2 seasons of residential use.
• Installation difficulty is moderate. You’ll need to release the belt tension by removing the deck or using a tensioner tool. Plan 30–60 minutes.
• Common gotcha: Some users report the belt is slightly tighter than OEM. If you have trouble fitting it, double-check that the belt is routed correctly and all pulleys spin freely. Forcing it can damage bearings.
• No warranty or support from Canamax is clearly stated—this is a no-frills replacement.

Should You Buy It

This belt is a solid budget pick if you’re sure your deck is 48 inches and your OEM belt number matches. It’s not built for heavy commercial use, but for a few seasons of residential mowing on a compatible John Deere, it gets the job done at half the price of a genuine John Deere belt. If you want guaranteed longevity or have a non-standard deck, stick with OEM.