2 Pack 539131898 Husqvarna Spindle Assembly Replaces 539131767 Husqvarna 539131898 Spindle Assembly for Husqvarna Z248F Z242F TS354XD TS348XD MZT61 MZT52 MZT 61 MZ6128 MZ61 MZ 61 Mowers

What It Is

This is a 2-pack of OEM-grade replacement spindle assemblies for Husqvarna zero-turn and lawn tractor mower decks. The spindle houses the bearings and pulley that drive the blade; it’s the rotating assembly that connects the blade to the belt system. Designed for commercial and residential Husqvarna mowers with 48–61 inch decks, it’s a direct wear-item replacement when the original spindle fails (noise, wobble, blade not spinning freely).

Fitment & Compatibility

Before buying, confirm these three things:

• Deck size and model: Fits Husqvarna Z248F, Z242F, TS354XD, TS348XD, MZT61, MZT52, MZT 61, MZ6128, MZ61, and MZ 61. Not for all Husqvarna mowers—check your model number on the deck or frame sticker.
• OEM vs aftermarket: This is an OEM Husqvarna part (539131898) replacing the older 539131767. It’s identical to factory spindles on the listed models. Aftermarket spindles may differ in bearing quality or shaft length.
• Physical check: Measure the spindle housing diameter (typically 2.5–3 inches) and bolt pattern (usually 4 bolts, 2.5–3 inches center-to-center). Compare to your old spindle—shaft length and pulley groove width matter.

Key Things to Know

• Quality: OEM bearings are sealed and grease-packed, lasting 2–4 seasons under normal use. Aftermarket spindles often fail faster due to cheaper bearings.
• Installation difficulty: Moderate. Requires removing the deck, belt, and pulley (often a 15mm or 18mm bolt). Expect 30–60 minutes per spindle. A pulley puller and torque wrench are helpful.
• Common gotchas: The pulley bolt is reverse-threaded on some models—check your manual. Over-tightening the spindle nut can warp the housing. Always replace spindles in pairs if one fails (uneven wear stresses the deck).
• Warranty: OEM part carries Husqvarna’s standard 1-year limited warranty. Aftermarket spindles rarely have coverage.

Should You Buy It

Buy this if you own one of the listed Husqvarna mowers and need a direct, drop-in replacement that matches factory quality. It’s ideal for DIYers comfortable with deck removal and basic wrenching, and it’s a solid value compared to dealer-installed spindles (which often cost $40–60 each plus labor). Skip if your mower uses a different spindle pattern or if you want the cheapest possible fix—aftermarket spindles can be $20–30 per pair, but you’ll likely replace them sooner.