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100% New OEM-Quality
Precision Manufactured
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30-Day Free Returns
No Questions Asked
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Same-Day Shipping
Orders Before 2PM PST
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25800+ Verified Ratings
99.7% positive on eBay
OEM Cross Reference
Search by any of these part numbers — this part replaces all of them:
181644M91
Primary OEM Part Number
181643M91
Alternate Cross Reference
517903M91
Alternate Cross Reference
TSX248
Alternate Cross Reference
TSX272
Alternate Cross Reference
TSX312
Alternate Cross Reference
TSX361
Alternate Cross Reference
TSX458
Alternate Cross Reference
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Fits These Engines
- •TE20
- •TO20
- •TO30
- •Z120
- •Z129
Read the engine plate, not the machine badge — the same chassis ships with different engines.
Why Rebuilders Trust Arko
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Built to Spec
Aftermarket replacement manufactured to the original fitment specification. Verify the reference number and it drops in.
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People Who Know Parts
Call (818) 261-3896 and someone who works on these every day confirms fitment before you order.
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Risk-Free Purchase
30-day free returns and a 1-year manufacturer defect warranty. If it is not the right fit, send it back.
25800+ verified ratings · 99.7% positive · Top Rated Plus on eBay. Source: eBay store feedback profile. Real seller feedback — we do not publish invented product reviews.
Get It Fitted Right
Order before 2PM PST for same-day shipping. Free returns within 30 days if it is not the right fit.
Add to Cart — $59.99