Best Bonbo Car Crankshaft Seals in 2026

Daisy
Last Updated: Jul 20, 2026

At a Glance: Our Top Picks for Bonbo Car Crankshaft Seals

Rear Main Seal Installer Tool Fit for Ford 4.5L, 6.0L, 6.4L Powerstroke Rear Crankshaft Seal & Wear Ring Installer, Similar to 303-770 
#TOP1
Rear Main Seal Installer Tool Fit For Ford
6.1
PM SCORE
Crankshaft Front Seal Installer Alt 303-1259 ZTSE4691 for Ford 6.4L Powerstroke Diesel F-250/350/450/550 2008-2010
#TOP2
Crankshaft Front Seal Installer Alt 303-1259 Ztse4691 For
5.9
PM SCORE
303-1513 6.7L Rear Crankshaft Seal Remover Tool, Fits for 2011-2021 Ford Super Duty F-250/350 /450/550, 6.7L Power Stroke Diesel and 2016-2021 F-650/750 6.7L Power Stroke Diesel #Alt ST-148
#TOP3
303-1513 6.7L Rear Crankshaft Seal Remover Tool, Fits
5.4
PM SCORE

* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.

Summary of the Best Bonbo Car Crankshaft Seals of 2026

Rear Main Seal Installer Tool Fit For Ford 4.5L, 6.0L, 6.4L Powerstroke Rear Crankshaft Seal & Wear Ring Installer, Similar To 303-770 

SUNLUWAY
SY303-770
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Sunluway Direct 9.89

Features

Fitment: Perfectly fit for Ford 4.5L, 6.0L, 6.4L Powerstroke, F-250, F350, F-450, F-550, F-650, F-750, Low Cab Forward, E-Series, Excursion and VT 365-MaxxForce7

High Quality: Machined from heavy duty steel with excellent mechanical and physical properties, this Installer Tool is good in corrosion resistance and durability

Application: Used for installation and removal of Rear Crankshaft Seal & Wear Ring of Ford, it credibly prevents the seal from leaking

Features: Simple to use, impossible to mess up, and well built. Recommend to anyone in the service industry

100% SATISFACTION GUARANTEE: If you're not 100% satisfied with Sunluway Rear Main Seal Installer Tool, simply return it for a full refund in 30 days. Premium Support & 12-Month Warranty

Crankshaft Front Seal Installer Alt 303-1259 Ztse4691 For Ford 6.4L Powerstroke Diesel F-250/350/450/550 2008-2010

SUNLUWAY
SL-3031259
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Hofantek 9.87

Features

Application: For Ford 6.4L Diesel : F-250/350/450/550 Super Duty :2008-2010; 6.4L Diesel : F-Super Duty 250-550 : Ford Vehicles VT365-MaxxForce7

Function: for installation of crankshaft front seal for 6.4L Powerstroke .This tool is needed to prevent your seal from leaking

High Quality---Constructed with high quality carbon steel, which is the best quality of those markets in sale, with great strength and durability for years of trouble-free use.

Easier Work — Replace 303-1259 ZTSE4691 and work in an easier way to save your time and money.

Satisfaction Guarantee: If you're not 100% satisfied with this crankshaft front seal installer , simply return it for a full refund in 30 days, guarantee with 12 months’ warranty.

303-1513 6.7L Rear Crankshaft Seal Remover Tool, Fits For 2011-2021 Ford Super Duty F-250/350 /450/550, 6.7L Power Stroke Diesel And 2016-2021 F-650/750 6.7L Power Stroke Diesel #Alt St-148

SUNLUWAY
ST-148
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING

Features

Wide Application: Fits for 2011-2021 Ford Super Duty F-250, F-350, F-450, F550, equipped with 6.7L Power Stroke Diesel and 2016-2021 Ford Super Duty F-650, F-750 equipped with 6.7L Power Stroke Diesel # Alt ST-148

High Quality: Made of high quality carbon steel for, the surface is coated with black anti-oxidation coating, which has high hardness, high strength, wear resistance, with stable performance and reliable use and longer service life.

Application: It helps to remover the wear sleeve and seal of the rear crankshaft more easily without damaging the seal and leakage. Make sure that the installation depth of crankshaft oil seal is correct.

Features: Simple to use, impossible to mess up, and well built.This is a high-quality tool and you will be pleased with your purchase.

100% Satisfaction Guarantee: If you're not 100% satisfied with our , please feel free to contact us, simply return it for a full refund in 30 days. Premium Support & 12-Month Warranty.

303-1514 6.7L Rear Crankshaft Seal Installer Tool, Fits For 2011-2021 Ford Super Duty F-250/350 /450/550, 6.7L Power Stroke Diesel And 2016-2021 F-650/750 6.7L Power Stroke Diesel #Alt St-138

SUNLUWAY
‎ST-138
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Sunluway Bearings USA 9.91

Features

Wide Application: Fits for 2011-2021 Ford Super Duty F-250, F-350, F-450, F550, equipped with 6.7L Power Stroke Diesel and 2016-2021 Ford Super Duty F-650, F-750 equipped with 6.7L Power Stroke Diesel # Alt ST-138(If you need it, you can choose to purchase our four-piece combo kit to make it easier to install and remove the front and rear crankshafts)

High Quality: Made of high quality carbon steel for, the surface is coated with black anti-oxidation coating, which has high hardness, high strength, wear resistance, with stable performance and reliable use and longer service life.

Application: It helps to install the wear sleeve and seal of the rear crankshaft more easily without damaging the seal and leakage. Make sure that the installation depth of crankshaft oil seal is correct.

Features: Simple to use, impossible to mess up, and well built.This is a high-quality tool and you will be pleased with your purchase.

100% Satisfaction Guarantee: If you're not 100% satisfied with our , please feel free to contact us, simply return it for a full refund in 30 days. Premium Support & 12-Month Warranty.

303-1513 6.7L Power Stroke Rear Crankshaft Seal Remover Alt St-148 Fit For 2011-2019 Ford Super Duty F-250 F-350 F-450 F-550, 2016-2019 Ford Super Duty F-650 F-750

SUNLUWAY
SY-303-1513
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Sunluway Direct 9.89

Features

FITMENT: 6.7L Power Stroke Rear Crankshaft Seal Remover fits for 2011-2019 Ford Super Duty F-250, F-350, F-450 and F-550, 2016-2019 Ford Super Duty F-650 F-750

SUPERIOR QUALITY: Machined from heavy duty steel with excellent mechanical and physical properties, this Crankshaft Seal Remover is good in corrosion resistance and durability

APPLICATION: 303-1513 tool is needed to remove the rear crankshaft seal and prevent your seal from leaking. You must remove the ignition pulse crankshaft sensor ring before bolting up the removal plate

FEATURES: Simple to use, impossible to mess up, and well built. Recommend to anyone in the service industry ( Alternate ST-148, directly replace part numbers 303-1513 )

100% SATISFACTION GUARANTEE: If you're not 100% satisfied with Sunluway Rear Crankshaft Seal Remover, simply return it for a full refund in 30 days. Premium Support & 12-Month Warranty

303-1259 Crankshaft Front Seal Installer Fits For Ford 6.4L Diesel And 303-770 Rear Main Seal Installer Tool Compatible With Ford 4.5L, 6.0L & 6.4L

SUNLUWAY
SY303-770
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Sunluway Direct 9.89

Features

Crankshaft Front Seal Installer: Fits for Ford 6.4L Diesel F-250/350/450/550, Super Duty 2008, 2009, 2010 and 365-MaxxForce7 (NOT fit for Ford 4.5L, 6.0L Powerstroke Diesel)

Rear Main Seal Installer: Fits for Ford 4.5L, 6.0L, 6.4L Powerstroke, F-250, F350, F-450, F-550, F-650, F-750, Low Cab Forward, E-Series, Excursion and VT 365-MaxxForce7

High Quality: Machined from heavy duty steel with excellent mechanical and physical properties, this Installer Tool Set is good in corrosion resistance and durability

Application: Used for installation and removal of Rear Crankshaft Seal & Wear Ring of Ford, it credibly prevents the seal from leaking

100% SATISFACTION GUARANTEE: Our tool set is simple to use, impossible to mess up, and well built. If you're not 100% satisfied with Sunluway Rear Main Seal Installer Tool, simply return it for a full refund in 30 days. Premium Support & 12-Month Warranty

303-1514 6.7L Power Stroke Rear Crankshaft Seal Installer Alt St-138 Fit For 2011-2019 Ford Super Duty F-250 F-350 F-450 F-550, 2016-2019 Ford Super Duty F-650/750

SUNLUWAY
SY303-1514
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Sunluway Direct 9.89

Features

Fitment: 6.7L Power Stroke Diesel Rear Crankshaft Seal Installer fits for 2011-2019 Ford Super Duty F-250, F-350, F-450 and F-550, 2016-2019 Ford Super Duty F-650 F-750

High Quality: Machined from heavy duty steel with excellent mechanical and physical properties, this installer is good in corrosion resistance and durability

Application: 303-1514 is used to install the rear crankshaft seal without damaging the seal, it credibly prevents the seal from leaking

Features: Simple to use, impossible to mess up, and well built. Recommend to anyone in the service industry ( Alternate ST-138, directly replace part numbers 303-1514 )

100% Satisfaction Guarantee: If you're not 100% satisfied with Sunluway Rear Crankshaft Seal Installer, simply return it for a full refund in 30 days. Premium Support & 12-Month Warranty

Fit For 6.7L Power Stroke Front And Rear Crankshaft Seal Installer Remover Set Fit For 2011-2022 Ford Super Duty Diesel F250 F350 F450 F550 F650 F750#303-1509/303-1514/303-1513/303-1510 (4Pcs)

SUNLUWAY
ST138-ST-137-ST-148-ST-152
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Sunluway Bearings USA 9.91

Features

Package Content: 1 x 303-1509 & 303-1509-01 6.7L Power Stroke Front Crankshaft Seal Installer Tool Alt ST-137B / 1 x 303-1510 6.7L Power Stroke Front Crankshaft Seal Remover Alt ST-152 / 1 x 303-1513 6.7L Power Stroke Rear Crankshaft Seal Remover Alt ST-148 / 1 x 303-1514 6.7L Power Stroke Rear Crankshaft Seal Installer Alt ST-138

Wide Application: Fits for 2011-2022 Vehicles Including Ford Super Duty Diesel F-250, F350, F-450, F-550, F-650, F-750, Low Cab Forward, E-Series, and Excursion

High Quality: Made of high quality carbon steel for, the surface is coated with black anti-oxidation coating, which has high hardness, high strength, wear resistance, with stable performance and reliable use and longer service life.

Application: It helps to install the wear sleeve and seal of the Front Rear crankshaft more easily without damaging the seal and leakage. Make sure that the installation depth of crankshaft oil seal is correct.

100% Satisfaction Guarantee: If you're not 100% satisfied with our , please feel free to contact us, simply return it for a full refund in 30 days. Premium Support & 12-Month Warranty.

Crankshaft Rear Main Seal Wear Sleeve Installer Tool Replace Jdg476 Jdg477 Jdg478 For John Deere 4000, 4010, 4020, 4040, 4230, 6404, 6466, 6076 7.6L

SUNLUWAY
SL-R830476
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Hofantek 9.87

Features

APPLICATION--To replace the new seal for JD models 3010 3020 4000 4010 4020 4320 4520 4620 4230 4430 4630 8430 4040 4240 4440 4640 4840 8440 (4050 W/466 ONLY) 4250 4450 4650 4850 8450 4055 4255 4455 4555 4755 4955 4560 4760 4960 and many more AG & Industrial equipment using the 270 404 466 6076 7.6L 8.1L engines.

Works with Seal OEM number: RE520036, DZ111672, RE530121, RE504363, RE524227, RE22764, AR34682, and AR30382

HIGH QUALITY--- Constructed with high quality carbon steel, which is the best quality of those markets in sale, with great strength and durability for years of trouble-free use.

EASIER WORK-- Replacement for JDG 476 JDG477 JDG478 ST-198 and JT30040B.

Satisfaction Guarantee: If you're not 100% satisfied with this crankshaft rear seal wear ring installer , simply return it for a full refund in 30 days, guarantee with 12 months’ warranty.

#TOP10
Best For Ford

6.0L 6.4L Front And Rear Crankshaft Seal Wear Ring Installer Remover Set For Ford 4.5L 6.0L 6.4L Powerstroke Diesel 2004-2010, 303-1259 303-1260 303-770 303-771 303-761 303-762 Crankshaft Seal Tool

SUNLUWAY
SL-ST 6SET
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Hofantek 9.87

Features

【Function】For Ford 4.5L 6.0 L& 6.4L Diesel Engines, Use to install and remove Front and Rear crankshaft seal/ wear sleeve without new seal and wear ring , and engine damages

【303-1259 &303-1260 for Front Crankshaft】For Ford 6.4L Powerstroke Diesel : F-250/350/450/550 Super Duty 2008-2010 and VT365-MaxxForce7. Replace part number: 303-1259 ZTSE4691 ST-142 & 303-1260 ZTSE4705 ST-133.

【303-770& 303-771 for Rear Crankshaft】For Ford 6.0L Diesel : E-Series 2004-2010; 6.0L Diesel : Excursion 2004-2005; 6.0L Diesel : F-250/350/450/550/650/750 Super Duty 2004-2007;4.5L Diesel : Low Cab Forward 2006-2009; 6.4L Diesel : F-250/350/450/550 Super Duty 2008-2010 & VT365-MaxxForce7 Navistar International. Replace part number: 303-770 ZTSE4515C ZTSE4515 ST-106 & 303-771 ZTSE4518 ST-131.

【303-761& 303-762 for Front Crankshaft】 For Ford 6.0L Powerstroke Diesel :F250/350/450/550/650/750 2004- 2007; E-Series 2004-2010; Excursion 2004-2005 & VT365-MaxxForce7 Navistar International. Replace part number: 303-761 ZTSE4516 ST-107 & 303-762 6886 ZTSE4517 ST-130. Also,303-762 removal tool works for Ford 4.5L Diesel : Low Cab Forward 2006-2008.

【Material】 Made form high standard steel ,its heavy duty construction ensures an unparalleled long lifespan. Meet the OE quality and performance, make your work easier while saving money.

Top 10 car crankshaft seals Brands on Amazon

Here is the list of top-rated brands that were evaluated by PM.

Brand Count
Sunluway 10

Top 10 car crankshaft seals Brands Pie Chart


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