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M18-2.5 Top Lock Nut DIN 980 - Zinc Plated Class 10.9

Marsoni M251S
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M18-2.5 Top Lock Nut DIN 980 - Zinc Plated Class 10.9Product Details : M18 2. 5 Top Lock Nut DIN 980 Zinc Plated Class 10. 9 Product Type: Top Lock Nut (Prevailing Torque Lock Nut) Bolt Diameter Size: M18 Thread Count (Pitch TPI): 2. 5 Thickness: 18 mm Thread Type: Coarse Metric Thread Direction: Right Hand Thread Tool to use: 27mm Material(s): Zinc Plated Steel Grade: Class 10. 9 Thread Fit: Metric Class 6H Standards and Certifications: DIN 980 For any information about products, please contact us.
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4.8 ★★★★★
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Verified Purchase
Kaleigh Pipho
Chelsea, US
★★★★★ 5
Good but
Size: 40-50 HP
Bought and installed about a year ago. Fit exactly right and still holding up. Would buy again.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 2, 2026
M
Verified Purchase
mike james
Natrona Heights, US
★★★★★ 5
Oem quality, great kit
Size: 35-60 HP
Oem quality kit , got me back on the water,diy
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 2, 2026
S
Verified Purchase
Scottytoohotty
Port Orchard, US
★★★★★ 1
DO NOT BUY THIS GARBAGE
Size: 20-35 HP
DO NOT BUY. Stopped working after 2nd trip total of 2 hours use. Not returnable after 30 days. Could easily ruin your engine. Expensive garbage.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 19, 2026
T
Verified Purchase
Thomas W.
Natrona Heights, US
★★★★★ 5
Looks very good quality to me.
Size: 85-300 HP
Everything looks good quality to me. I find it odd that the people leaving bad reviews with pictures of broken and melted impeller, when you can clearly see the brass on the inside is brown and dirty like old pennies and mine is shiny new. It's almost like the took the pictures of the ones they replaced to get a refund and a free repair kit.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 26, 2026
K
Verified Purchase
Kris W Cayton
Carnegie, US
★★★★★ 5
Great quality and price
Perfect fit. Received quicker than boat shop
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 22, 2025

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