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MB45-1/2 V-Belt Pulley Single Groove | BK47-1/2 Sheave
MB45-1/2 V-Belt Pulley Single Groove | BK47-1/2 Sheave
MB45-1/2 V-Belt Pulley Single Groove | BK47-1/2 Sheave
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MB45-1/2 V-Belt Pulley Single Groove | BK47-1/2 Sheave

Marsoni M251S
Sale price$34.32
Pay 4 payments of $8.58 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
MB45-1/2 V-Belt Pulley Single Groove | BK47-1/2 SheaveThe MB45 1 2 V Belt Pulley Single Groove is designed for superior performance, providing excellent power transmission with a single groove design. Compatible with the BK47 1 2 sheave, this pulley delivers a reliable and efficient drive system. Product Details : MB45 1 2 V Belt Pulley Single Groove BK47 1 2 Sheave Part No: MB45 1 2 Reference Number: BK47 1 2 Fixed Bore: 1 2" Outside Diameter: 4. 45" Belt Series: 4L A 5L B Groove: 1 Length Through Bore
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
Based on 693 reviews
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Product Reviews
J
Verified Purchase
john
Phoenix, US
★★★★★ 5
Well worth it
Worked out perfectly, smooth install, supplied all gaskets and most important the low price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 18, 2025
M
Verified Purchase
MovieFan
Draper, US
★★★★★ 4
Easy to Install - Good Value for the Money
This is my first experience with K&N engine oil filters. I purchased one through AMZN and it was cheaper than expected. I may have purchased it on sale, because it was only $10. K&N is known to have great products, so I will update this review after I've used this filter for a while. So far, it seems to be working fine.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 25, 2024
R
Verified Purchase
Raptor
Waukegan, US
★★★★★ 5
Near OEM quality at 1/4 cost
Near OEM performance at 25% of the cost! Bosch Quality replaced NGKs/Toyota OEMs. Great value and now the engine is running smoothly! I have seen a slight improvement in my mpg @1mpg overall in mixed driving conditions.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 22, 2026
J
Verified Purchase
Joe H.
Carnegie, US
★★★★★ 5
Very Expensive
Had one cylinder misfiring so replaced coil and spark plug. Runs fine now, but old plug looked shot after only 5 months so I think the coil was the problem. Really good plug so far but very expensive.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 12, 2026
R
Verified Purchase
rkab8745
Birmingham, US
★★★★★ 5
A reliable set of spark plugs.
They’re made in Germany, what else can you say
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 24, 2026

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