Best Sunluway Automotive Replacement Crankshaft Seals in 2026

Rear main bearing oil seal installation set

Application specific design to ensure a perfect fit

Meets or exceeds all original equipment specifications

Seals the openings on either end of the crankshaft for a tight seal

GM-recommended replacement part for your GM vehicle’s original factory component

Offering the quality, reliability, and durability of GM OE

Product Type: Auto Part

Package Quantity: 1

Made In China

Fit type: Vehicle Specific

Package Dimensions: 1.27 H x 20.574 L x 8.89 W (centimeters)

Country of Origin : China

Matches OE form, fit and function

Made of high quality, durable rubber

Heavy duty construction for maximum durability

Wide Application – Compatible with 1989-2020 Cummins 3.9L 5.9L 6.7L, especially suitable for 1989-2016 Cummins 4BT 3.9L, B Series 5.9L, ISB 5.9L 6.7L and QSB 5.9L 6.7L.

Replacement – Suitable for OE# 3824498 1338, with seal numbers 3937111 and 3904353 or the seals in kit 3802820 installed.

High-Quality Materials – Made of top-quality wear-resistance steel, durable and anti-corrosion, repeatedly tested and optimized to ensure its excellent performance and a long service life.

Designed, Engineered, Tested For GM Vehicles.

Package Weight : 0.06 Pounds

Country Of Origin : Taiwan, Province Of China

APPLICATION – Fit for Ford 4.5L, 6.0L & 6.4L Powerstroke Diesel Engine, Low Cab Forward, F-Super Duty 250-550, E-Series.（Specific application reference as following）.

FUNCTION -- Use for installation & removal of crankshaft rear seal wear ring for your Ford. Preventing your seal from leaking.

SUPERIOR MATERIAL -- Constructed from high standard forged steel for strength, durability, and longevity; coated with black oxide finish for resistance to rust and corrosion. Never worry wear or damage to the tool!

OTC's Crank & Cam Seal Service Set removes and installs camshaft and crankshaft seals on cars, trucks, vans, and SUV's without damage

Includes a puller coupled with specialized puller legs that hook the seal for quick and easy removal

The interchangeable seal install adapters are designed for use with the cam or crank bolt

Design type: spring loaded; multi-lip

Temperature range: -40°F to 400°F / -40°C to 204°C

Excellent high temperature capabilities

Design type: spring loaded; multi-lip

Temperature range: -40°F to 225°F / -40°C to 107°C

Good low temperature capability

Design type: spring loaded; multi-lip

Temperature range: -40°F to 400°F / -40°C to 204°C

Excellent high temperature capabilities

FITMENT – Work on Cummins Signature, ISX & QSX，ISX12 and ISX15 engine. It will fit the newest Cummins seal perfectly.

BENEFITS -- Specifically design to install and remove the crankshaft rear seal & wear sleeve, saving time and reducing risk of crankshaft seal surface damage during removal.

DIRECT REPLACEMENT -- This is a high-quality aftermarket alternative to OEM #3164780 (seal/sleeve kit PN 4965569).

Package Dimensions: 2.032 H X 9.144 L X 9.144 W (centimeters)

Package Weight: 0.022 pounds

Country of Origin : China

【High Quality Material】Made from quality carbon steel, is with great strength, corrosion resistance, anti-rust, impact resistance, wear resistance and durable.

【303-770 Crankshaft Rear Main Seal Installer】Used for installation of crankshaft rear seal wear ring for 4.5L,6.0L,6.4L power stroke.

【303-1259 Crankshaft Front Seal Installer】Used for installing crankshaft front seal/wear sleeve for Ford 6.4L power stroke engines F-series.

This installer works on crankshaft rear oil seals that come with or without a metal wear sleeve

Designed for use on 1993-1997 Aerostar or 1993-2006 Ranger and Explorer with 4.0L V6 engine

Similar to Ford No. 303-5524

APPLICATION -- Fits for 1989-Current Cummins 3.9L 5.9L 6.7L. Will fit Paccar PX-6, 1989-2016 Cummins 4BT 3.9L, B Series 5.9L, ISB 5.9L 6.7L and QSB 5.9L 6.7L.

FUNCTION -- This kit is designed to installs seal numbers 3937111, 3904353 and the seal & wear sleeve kit 3802820.

BENEFITS -- Made to properly place the crankshaft seal without leaks. Help to properly press the wear seal into place evenly. ( NOTE: Installing the seal uneven can cause leaks prematurely, make sure the job is done right with this installation tool.)

Design type: spring loaded; multi-lip

Temperature range: -40°F to 225°F / -40°C to 107°C

Good low temperature capability

【High Quality】The crankshaft oil seal tool is very good, it is easy to use this tool to remove the seal, high-quality products give you a high quality guarantee.

【Applications】The crankshaft bearing camshaft gasket removal and installation kit is equipped with an aluminium sealing adapter to avoid damage to the crank, convenient and practical.

【Including】The crankshaft bearing camshaft seal removal and installation kit is suitable for all types of oil seals with diameters from 21.5 mm to 64 mm and the most suitable choice for you.

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

Product Type: Auto Part

Package Quantity: 1

Package Dimensions: 1.7 cms (L) x 7.5 cms (W) x 8.3 cms (H)

Design type: spring loaded; multi-lip

Temperature range: -40°F to 225°F / -40°C to 107°C

Good low temperature capability

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.

Gasket Rear Crankshaft Seal Housing

BMW part# 11 14 1 432 240, check fit below.

Recently made by VICTOR REINZ, not been lying around.

Converts the reciprocating motion of the piston

Retains lubricating oil

Offers superior service life and long lasting durability

Application – Use on Front and Rear Crankshaft Seal Wear Sleeve for Caterpillar 3406, 3408, C-15.

Replacement – Equivalent to Caterpillar CAT 6V-6142, 6V-6143, 5P-1737 (3), 9S-8858 and 5P-1733. Use with oil seal number 142-5867, 142-5868, 2W1734, 336012 and 319-0785.

Function – Used to easily install the oil seal and avoid damage to the car parts. This tool is required to protect your rear seal from leakage.

Perfect Fitment – This front and rear crankshaft seal wear sleeve installer is specially designed for Caterpillar CAT 3406, 3408, C-15 trunk engines.

Practical Function – This tool set will help you install the oil seal at ease and avoid any damage to the vehicle parts, which is required to protect your rear seal from leakage.

Direct Substitution – Alternative to Caterpillar CAT 6V-6142, 6V-6143, 5P-1737 (3), 9S-8858 and 5P-1733.

Engine Saver Hardware cost-saving application

Repairs worn sealing surfaces to assure a leak free repair

Meets or exceeds all original equipment specifications

Compatibility: Used on front and rear crankshaft seal wear sleeve for Caterpillar 3406, 3408, C-15.

Replacement Part Number: Equivalent to Caterpillar CAT 6V-6142, 6V-6143, 5P-1737 (3), 9S-8858 and 5P-1733. Oil seal number used with: 142-5867, 142-5868, 2W1734, 336012 and 319-0785.

Great Performance: Used to replace the oil seal or sleeve for your diesel engine easily & quickly, avoid damage to the car parts, this tool gonna protect your seal from leakage as well.

Application : For 2011-2021 Ford Super Duty F-250, F-350, F-450 and F-550（equipped with 6.7L Power Stroke Diesel）, For Ford Super Duty F-650 F-750 2016-2021（equipped with 6.7L Power Stroke Diesel）.

Replace Part Number : 303-1514.Alternate ST-138

Function : 303-1514 is used to install the rear crankshaft seal without damaging the seal, it credibly prevents the seal from leaking.Make sure that the installation depth of crankshaft oil seal is correct.