946-04173E Deck Engagement Cable Fit for MTD Troy-Bilt Lawn Mower, Replaces for 746-04173 746-04173B 746-04173A 746-04173C 946-04173 946-04173A 946-04173B 290-807

What It Is

The 946-04173E is a deck engagement cable that connects the engagement lever to the mower deck’s idler pulley, allowing you to engage or disengage the blades. It’s designed for MTD, Troy-Bilt, and compatible riding lawn mowers with a 42-inch or 46-inch cutting deck.

Fitment & Compatibility

Before buying, confirm your mower’s model number (found on a sticker under the seat or on the frame). This cable replaces OEM part numbers 746-04173, 746-04173A/B/C, 946-04173, 946-04173A/B, and 290-807. It fits most MTD and Troy-Bilt models with a single-lever blade engagement system, but not zero-turn or older manual-deck models. Measure your existing cable length end-to-end (including fittings): this cable is roughly 60 inches. If your original is shorter or longer, it won’t route correctly. Also check that the cable ends match your lever and deck pulley—both should be a simple loop or clevis pin style.

Key Things to Know

• Quality: This is an aftermarket replacement, not OEM. It’s generally well-reviewed (4.5 stars), but some users report the outer jacket is slightly less durable than OEM—expect 1-2 seasons of typical use.
• Installation difficulty: Moderate. You’ll need basic hand tools (wrenches, pliers) and about 20-30 minutes. Routing the cable through frame guides can be fiddly; take a photo of the old cable’s path before removing it.
• Common gotcha: The cable may be slightly too long or short on some models. If it’s too long, you can trim the inner wire (use a cable cutter) and re-crimp the end fitting—but this voids any return policy. Too short usually means wrong part.
• Adjustment: After installation, you may need to adjust the cable tension at the lever or deck bracket so the blade engages fully without slack. Check the manual for specific tension specs.

Should You Buy It

Buy this if you need a budget-friendly, direct-fit replacement for a worn or broken deck engagement cable on a common MTD or Troy-Bilt riding mower and you’re comfortable with a simple DIY swap. Skip it if you want OEM durability for heavy commercial use or if your mower has an unusual cable routing or deck size outside 42-46 inches.