Pokuuer 48-inch Deck Belt for Exmark Radius E/S/X — Kevlar-Reinforced, OEM Fit 126-6626-SL

Pokuuer’s 48-inch replacement deck belt is a heavy-duty, Kevlar-reinforced drive belt designed to match OEM fit for Exmark 48" Radius E, S and X series decks (replacing Exmark/Toro 126-6626-SL / 126-6626).

If your mower deck is slipping, squealing, or not spinning at full speed, the right replacement belt restores dependable power transfer between the engine and blades. This Pokuuer belt is built from synthetic rubber with Kevlar fiber reinforcement to resist heat, oil and abrasion, and it’s cut to the same 48-inch spec used on specific Exmark Radius E, S and X models. The belt works as a direct-fit replacement for the listed part numbers, letting you get back to mowing without custom modifications.

Will this belt fit my Exmark deck model?

This belt is manufactured to fit Exmark 48-inch Radius decks in the E, S, and X families that use the 126-6626 series belt. Confirm compatibility by matching your mower’s model and deck part numbers to the list below.

• Fits Radius E-Series: RAE720CKC48300, RAE708GEM48300
• Fits Radius S-Series: RAS651GKA483A3, RAS708GEM483C3, RAS710CKC48300, RAS720CKC48300
• Fits Radius X-Series: RAX651GKA484A3
• Direct replacement for OEM numbers Exmark/Toro 126-6626-SL and 126-6626

How durable is the Pokuuer Kevlar-reinforced belt?

The belt combines a synthetic rubber body with internal Kevlar fibers, offering strong resistance to wear factors that typically shorten belt life. That reinforcement helps the belt withstand high engine heat, exposure to oil, and abrasive debris commonly encountered under mower decks.

• Kevlar fiber core for tear and stretch resistance
• Synthetic rubber compound resists oil and heat degradation
• Precision-cut edges to reduce fraying and premature failure

What performance improvements should I expect after installation?

Replacing a worn belt restores consistent blade speed and deck responsiveness, reducing engine strain and vibration. A properly sized, reinforced belt also helps maintain cutting quality and prevents common issues like slipping under load.

• Smoother power transfer for steady blade RPMs
• Reduced belt slip during heavy or wet grass conditions
• Lower vibration and less noise from a properly tensioned belt

How easy is the swap and what should I check while replacing it?

Installation is typically straightforward for anyone familiar with mower maintenance; basic hand tools and belt-routing knowledge are all that’s needed. While changing the belt, inspect pulleys, idlers, and deck spindles for wear—replacing a belt while leaving damaged pulleys can shorten belt life.

• Follow your mower’s belt routing diagram or service manual
• Check pulley alignment and bearing play; replace worn parts
• Set correct belt tension per manufacturer recommendations

Who is this for: Homeowners, landscapers, and small property owners who operate Exmark 48-inch Radius E, S or X series mowers and need a durable, cost-effective replacement belt. Choose this Pokuuer Kevlar-reinforced belt if you want an OEM-fit spare that resists heat, oil and abrasion and restores reliable deck performance without custom modifications.