KitchenAid Stand Mixer Worm Gear WP9709231 — Fix Mixer Won't Turn, Grinding Noise or Grease Leak
KitchenAid Stand Mixer Worm Gear WP9709231 — Fix Mixer Won't Turn, Grinding Noise or Grease Leak
KitchenAid Stand Mixer Worm Gear WP9709231 — Fix Mixer Won't Turn, Grinding Noise or Grease Leak
KitchenAid Stand Mixer Worm Gear WP9709231 — Fix Mixer Won't Turn, Grinding Noise or Grease Leak
KitchenAid Stand Mixer Worm Gear WP9709231 — Fix Mixer Won't Turn, Grinding Noise or Grease Leak
KitchenAid Stand Mixer Worm Gear WP9709231 — Fix Mixer Won't Turn, Grinding Noise or Grease Leak
KitchenAid Stand Mixer Worm Gear WP9709231 — Fix Mixer Won't Turn, Grinding Noise or Grease Leak
KitchenAid Stand Mixer Worm Gear WP9709231 — Fix Mixer Won't Turn, Grinding Noise or Grease Leak
KitchenAid Stand Mixer Worm Gear WP9709231 — Fix Mixer Won't Turn, Grinding Noise or Grease Leak
KitchenAid Stand Mixer Worm Gear WP9709231 — Fix Mixer Won't Turn, Grinding Noise or Grease Leak
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KitchenAid Stand Mixer Worm Gear WP9709231 — Fix Mixer Won't Turn, Grinding Noise or Grease Leak

$44.35
Buying Options : OEM

Product variant with selected options does not exist!

Frequently Bought Together
KitchenAid Stand Mixer Gear Grease W11200218

KitchenAid Stand Mixer Gear Grease W11200218

$119.70 $101.45
OEM REPLACEMENT PART

KitchenAid Stand Mixer Worm Gear WP9709231

Part# WP9709231 Replaces 9709231 Fits KitchenAid Fits Whirlpool

Mixer Won't Turn or Making Grinding Noise? KitchenAid Worm Gear WP9709231 – Fix Drive Failure Fast

A failed worm gear causes your KitchenAid bowl-lift stand mixer to stop turning, emit grinding or clicking noises, or leak grease from the mixer head — even when the motor is running. In most KitchenAid bowl-lift stand mixers, this is caused by a worn or stripped worm gear — the helical drive component that transfers motor power to the planetary gear assembly. When it fails, the motor runs but the beater shaft won't rotate, metal shavings appear in the grease, and continued use accelerates damage to the planetary gears. ⚡ The single most common mechanical failure point in KitchenAid bowl-lift stand mixers. Part WP9709231 is the genuine OEM replacement that restores full drive engagement and eliminates grinding, slipping, and grease leaks immediately.

❓ Is This the Right Part?

This is the correct fix if ALL of the following are true:

  • ✔ Mixer powers on and motor hums or runs
  • ✔ Speed control and power switch function normally
  • ✔ Bowl and lift mechanism are undamaged
  • ✔ ONLY problem is the beater shaft won't spin, makes grinding/clicking noise, or grease is leaking from the top of the mixer head

Not sure? Send us your model number — we'll confirm before you order.

🔧 Common Symptoms

  • Mixer motor runs but beater, whisk, or dough hook won't rotate
  • Loud grinding, clicking, or stripping noise during operation
  • Grease leaking from the top or sides of the mixer head
  • Mixer struggles or stalls on heavy dough even at high speed

✔ If these symptoms match, this is the most likely failed component in the system.

✔ In most cases, replacing this worm gear restores full mixing power and quiet operation immediately.

📦 Part Details

  • Part Number: WP9709231
  • Type: Stand Mixer Worm Drive Gear — Bowl-Lift Models
  • Replaces: 9709231, 9706590, 9706769, 9706770, 9703446, 9703699
  • Brands: KitchenAid, Whirlpool
⚠️ Recommended While Repairing:
While the mixer head is open, inspect the planetary gear assembly for metal shavings or worn teeth — a damaged worm gear often accelerates planetary wear. Replace the food-grade mixer grease at the same time (approximately 4–6 oz required). Skipping the regrease is the #1 cause of repeat worm gear failure.

⚙️ Installation

Skill Level: MODERATE TO ADVANCED — 60–90 minutes. Screwdriver set, socket wrench, needle-nose pliers, and food-grade mixer grease required. Disconnect power before servicing. Remove the mixer head cover and planetary assembly, then clean out all old grease and inspect for metal shavings. Remove the old worm gear from the motor shaft, install the new WP9709231 ensuring proper alignment, apply fresh food-grade grease to the gear teeth and planetary assembly, then reassemble and test.

✓ Compatible Models

Confirmed compatible with KB26G1XER5, KP26M1XBS4, KP26M1XER5, KG25H0XER5, KG25H0XWH5, KV25G0XER5, KF26M2XER5, KN15E1XTC0, KL26M2XOB5 plus hundreds of additional KitchenAid bowl-lift stand mixer models. Contact us to verify your model number before ordering.

💡 Pro Tip

Don't Skip the Grease:
The worm gear runs dry in a failed mixer because the old grease has broken down or been contaminated with metal particles. Installing a new gear without replacing all the grease is the single biggest mistake DIYers make — it causes the new gear to fail within months. Use food-grade, heat-resistant mixer grease only. KitchenAid-branded grease or any food-safe high-speed gear grease works. Budget 4–6 oz and do it right the first time.

✅Compatibility & Cross Reference

Part number WP9709231 replaces 9703446, 9703699, 9706590, 9706769, 9706770, 9709231

4KB25G1XBU3, 4KB25G1XBU5, 4KB25G1XBY5, 4KB25G1XCO5, 4KB25G1XER3, 4KB25G1XER5, 4KB25G1XGA5, 4KB25G1XMC5, 4KB25G1XMY5, 4KB25G1XOB3, 4KB25G1XOB5, 4KB25G1XTG3, 4KB25G1XTG5, 4KB25G1XWW3, 4KB25G1XWW5, 4KD2661XMC3, 4KG25G0XMC4, 4KG25G0XWH4, 4KG25G7XER4, 4KG25G7XOB4, 4KG25G7XSL4, 4KG25G7XWH4, 4KG25H3XER5, 4KG25H3XOB5, 4KG25H3XSL5, 4KG25H3XWH5, 4KN15C1XER1, 4KN15C1XMC1, 4KN15C1XOB1, 4KN15C1XWH1, 4KN15E1XCM0, 4KN15E1XHS0, 4KN15E1XJB0, 4KN15E1XLC0, 4KN15E1XLC1, 4KN15E1XMR0, 4KN15E1XMR1, 4KN15E1XSL0, 4KN15E1XSL1, 4KP26M1XBS4, 4KP26M1XBS5, 4KP26M1XBY5, 4KP26M1XDP4, 4KP26M1XDP5, 4KP26M1XES5, 4KP26M1XGA5, 4KP26M1XLC4, 4KP26M1XLC5, 4KP26M1XMC4, 4KP26M1XMC5, 4KP26M1XMR4, 4KP26M1XMR5, 4KP26M1XNP4, 4KP26M1XNP5, 4KP26M1XPM4, 4KP26M1XPM5, 4KV25H0XBK4, 4KV25H0XBK5, 4KV25H0XBU4, 4KV25H0XBU5, 4KV25H0XER4, 4KV25H0XER5, 4KV25H0XGR4, 4KV25H0XMC5, 4KV25H0XQG5, 4KV25H0XWH4, 4KV25H0XWH5, 5KP2670, 5KP2670-3, 8KP2670, 8KP2670-3, 9KP2670-3, KA15E1X-0, KB26G1X-3, KB26G1XAC3, KB26G1XAC5, KB26G1XBU3, KB26G1XBU5, KB26G1XER3, KB26G1XER5, KB26G1XGN3, KB26G1XGR3, KB26G1XGR5, KB26G1XMC3, KB26G1XMC5, KB26G1XMY3, KB26G1XMY5, KB26G1XOB3, KB26G1XOB5, KB26G1XPT3, KB26G1XPT5, KB26G1XTG3, KB26G1XTG5, KB26G1XWW3, KB26G1XWW5, KD2661, KD2661-3, KD2661KATRW, KD2661X, KD2661XMC3, KF26M1QAZ5, KF26M1QBX5, KF26M1QBZ5, KF26M1QCZ5, KF26M1QGD5, KF26M1QMC5, KF26M1QPB5, KF26M1QPM5, KF26M1QTF5, KF26M1QUB5, KF26M22CA5, KF26M22OB5, KF26M22SR5, KF26M2CCA5, KF26M2COB5, KF26M2CSR5, KF26M2XAC5, KF26M2XBU5, KF26M2XER5, KF26M2XGA5, KF26M2XGC5, KF26M2XGR5, KF26M2XMY5, KF26M2XNP5, KF26M2XOB5, KF26M2XPM5, KF26M2XTG5, KF26M2XWH5, KG25H-4, KG25H0XAQ5, KG25H0XBK4, KG25H0XBK5, KG25H0XBM5, KG25H0XBU5, KG25H0XBY5, KG25H0XCE5, KG25H0XCL5, KG25H0XCM5, KG25H0XDR5, KG25H0XER4, KG25H0XER5, KG25H0XES5, KG25H0XGA5, KG25H0XGC5, KG25H0XIC5, KG25H0XMC4, KG25H0XMC5, KG25H0XMY5, KG25H0XOB5, KG25H0XPT5, KG25H0XQG5, KG25H0XWH4, KG25H0XWH5, KG25H1XER5, KG25H1XMC5, KG25H3XER5, KG25H3XOB5, KG25H3XSL5, KG25H3XWH, KG25H3XWH5, KG25H7XER4, KG25H7XER5, KG25H7XOB4, KG25H7XOB5, KG25H7XSL, KG25H7XSL4, KG25H7XSL5, KG25H7XWH4, KG25H7XWH5, KL26M1XER5, KL26M1XOB5, KL26M1XSL5, KL26M2XER5, KL26M2XOB5, KL26M2XSL5, KL26M8XOB5, KM25G0XWH4, KM25G0XWH5, KN15E1XBW0, KN15E1XCM0, KN15E1XDJ0, KN15E1XGA0, KN15E1XHS0, KN15E1XJB0, KN15E1XLC0, KN15E1XLG0, KN15E1XMJ0, KN15E1XMR0, KN15E1XOL0, KN15E1XPP0, KN15E1XPS0, KN15E1XSB0, KN15E1XSK0, KN15E1XSP0, KN15E1XTC0, KP25M0XAQ5, KP25M0XBM5, KP25M0XER5, KP25M0XMC5, KP25M0XVB5, KP2670, KP2671, KP2671-3, KP2671KATRW, KP2671X, KP2671XWH1, KP2671XWH2, KP2671XWH3, KP26M1FQBU5, KP26M1FQER5, KP26M1FQES5, KP26M1FQGA5, KP26M1FQGC5, KP26M1FQMY5, KP26M1FQNP5, KP26M1FQOB5, KP26M1FQPM5, KP26M1FQTG5, KP26M1FQWH5, KP26M1PGC5, KP26M1PSL5, KP26M1XACS5, KP26M1XAQ5, KP26M1XAZ4, KP26M1XAZ5, KP26M1XBP4, KP26M1XBP5, KP26M1XBR4, KP26M1XBR5, KP26M1XBS4, KP26M1XBS5, KP26M1XBU5, KP26M1XCE4, KP26M1XCE5, KP26M1XCM4, KP26M1XCM5, KP26M1XCV5, KP26M1XDP4, KP26M1XDP5, KP26M1XEPER5, KP26M1XEPNP5, KP26M1XEPPM5, KP26M1XER5, KP26M1XES5, KP26M1XFL5, KP26M1XFQBU5, KP26M1XFQER5, KP26M1XFQGA5, KP26M1XFQGC5, KP26M1XFQMY5, KP26M1XFQNP5, KP26M1XFQOB5, KP26M1XFQPM5, KP26M1XFQTG5, KP26M1XFQWH5, KP26M1XGA5, KP26M1XGC5, KP26M1XGU5, KP26M1XIC5, KP26M1XLC4, KP26M1XLC5, KP26M1XMC4, KP26M1XMC5, KP26M1XMH5, KP26M1XMR4, KP26M1XMR5, KP26M1XMY5, KP26M1XNP4, KP26M1XNP5, KP26M1XOB5, KP26M1XPB5, KP26M1XPK5, KP26M1XPM4, KP26M1XPM5, KP26M1XQ2BW5, KP26M1XQ2CE5, KP26M1XQ2CM5, KP26M1XQ2CU5, KP26M1XQ2ER5, KP26M1XQ2FL5, KP26M1XQ2GA5, KP26M1XQ2GC5, KP26M1XQ2GU5, KP26M1XQ2MY5, KP26M1XQ2OB5, KP26M1XQ2ON5, KP26M1XQ2PH5, KP26M1XQ2TZ5, KP26M1XQ2VB5, KP26M1XQ3AQ5, KP26M1XQ3CE5, KP26M1XQ3CU5, KP26M1XQ3ER5, KP26M1XQ3FW5, KP26M1XQ3GC5, KP26M1XQ3MY5, KP26M1XQ3PA5, KP26M1XQ3PP5, KP26M1XQ3PT5, KP26M1XQ3SN5, KP26M1XQ3SP5, KP26M1XQ3TZ5, KP26M1XQ3VB5, KP26M1XQBF5, KP26M1XQBS5, KP26M1XQBW5, KP26M1XQCE5, KP26M1XQCV5, KP26M1XQER5, KP26M1XQG5, KP26M1XQGC5, KP26M1XQNP5, KP26M1XQOB5, KP26M1XQPM5, KP26M1XQPT5, KP26M1XQWH5, KP26M1XRC4, KP26M1XRC5, KP26M1XSE4, KP26M1XSE5, KP26M1XSL5, 600, BOWL, LIFT, KP26M1XSV4, KP26M1XSV5, KP26M1XTG5, KP26M1XTZ5, KP26M1XVB5, KP26M1XWG5, KP26M1XWH5, KP26M8XCP5, KP26M8XMC4, KP26M8XMC5, KP26M8XNK5, KP26M9PCBM5, KP26M9PCCU5, KP26M9PCER5, KP26M9XCCU5, KP26M9XCER5, KP26M9XCOB5, KP26M9XCWH5, KP26N9XER5, KP26N9XNP5, KP26N9XOB5, KP26N9XWH5, KT2651, KT2651-3, KT2651KATRW, KT2651X, KT2651XAC, KT2651XBU, KT2651XWW3, KV25G0X-4, KV25G0XAQ6, KV25G0XBM5, RANGE, HOOD, RANGE, HOOD, KV25G0XBU4, KV25G0XBU5, KV25G0XBW4, KV25G0XBW5, KV25G0XCU5, KV25G0XCV4, KV25G0XCV5, KV25G0XCY4, KV25G0XCY5, KV25G0XER4, KV25G0XER5, KV25G0XGC4, KV25G0XGC5, KV25G0XGR4, KV25G0XGR5, KV25G0XIB5, KV25G0XIC5, KV25G0XMC4, KV25G0XMC5, KV25G0XMH5, KV25G0XOB4, KV25G0XOB5, KV25G0XQ, KV25G0XQAC5, KV25G0XQBF5, KV25G0XQBW5, KV25G0XQER5, KV25G0XQGC5, KV25G0XQGR5, KV25G0XQOB5, KV25G0XQWW5, KV25G0XSL5, KV25G0XWH4, KV25G0XWH5, KV25G0XWW4, KV25G0XWW5, KV25H0X-3, KV25H0XWH4, KV25MCXCU5, KV25MCXER5, KV25MCXOB5, KV25MCXSL5, KV25MCXWH5, KV25MEXBU5, KV25MEXCU5, KV25MEXER5, KV25MEXGA5, KV25MEXGC5, KV25MEXMY5, KV25MEXOB5, KV25MEXPM5, KV25MEXTG5, KV25MEXWH5

Not sure about your model number? Call 1-877-899-7278 and we’ll help you confirm. All brand names are the property of their respective owners and are used for compatibility reference only.

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