Top 10 Crankshaft Seal Rear – Automotive Replacement Crankshaft Seals

As an Amazon Associate I earn from qualifying purchases.

1. Fel-Pro


Fel-Pro BS 40640 Rear Main Seal Set

Fel-Pro #ad - Meets or exceeds all original equipment specifications. Engineered and manufactured specifically for repair applications. Application specific design to ensure a perfect fit. Rear main bearing oil seal installation set. Unsurpassed quality you can trust.
BrandFel-Pro #ad
ManufacturerFel-Pro #ad
Height1.1 Inches
Length12 Inches
Weight0.05 Pounds
Width11 Inches
Part NumberBS 40640

2. Fel-Pro


Fel-Pro BS 40666 Rear Engine Main Seal Set

Fel-Pro #ad - Rear main bearing oil seal installation set. Engineered and manufactured specifically for repair applications. Meets or exceeds all original equipment specifications. Application specific design to ensure a perfect fit. Unsurpassed quality you can trust.
BrandFel-Pro #ad
ManufacturerFel-Pro #ad
Height1 Inches
Length5 Inches
Weight0.15 Pounds
Width5 Inches
Part NumberBS 40666
ModelBS 40666

3. ACDelco


GM Genuine Parts 89060436 Crankshaft Rear Main Seal

ACDelco #ad - Offering the quality, reliability, and durability of GM OE. Manufactured to gM OE specification for fit, form, and function. Withstands heat and pressure to help prevent the engine from leaking oil. 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.
BrandACDelco #ad
ManufacturerACDelco #ad
Height0.8 Inches
Length5.1 Inches
Weight0.18 Pounds
Width5.1 Inches
Part Number89060436
WarrantyManufacturer Warranty

4. E-cowlboy


3164780 Crankshaft Rear Main Seal & Wear Sleeve Installer & Seal Remover Tool for Cummins ISX QSX ISX15 ISX12

E-cowlboy #ad - It will fit the newest Cummins seal perfectly. Direct replacement -- this is a high-quality aftermarket alternative to OEM #3164780 seal/sleeve kit PN 4965569.

Fitment – work on cummins signature, isx & qsx,isx12 and ISX15 engine. 100% satisfaction guarantee -- if you're not 100% satisfied with your tool, simply return it for a full refund in 30 days, guarantee with 12 months’ warranty. Superior material -- made from high standard carbon steel which can withstand corrosion, rust and impact, its heavy duty construction ensures an unparalleled long lifespan. 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.
BrandE-cowlboy #ad
ManufacturerE-cowlboy #ad
Part Number4918991

5. GM


Rear, Genuine GM 12639250 Crankshaft Oil Seal Housing

GM #ad - Package Quantity: 1. Package dimensions: 31. 496cm l x 30988cm w x 8. 128cm H. Made in China. Product type: Auto Part.
BrandGM #ad
ManufacturerGM #ad
Height3.2 Inches
Length12.7 Inches
Weight2.32 Pounds
Width12.2 Inches
Part Number12639250
Warranty24 Month / Unlimited Mile Limited Warranty (Parts Only). Please see for more details.

6. Bonbo


Crankshaft Rear Main Seal and Wear Sleeve Ring Installer Tool Fits for Ford 4.5L, Similar to 303-770, 6.0L & 6.4L Powerstroke, Rear Main Seal Installer Tool

Bonbo #ad - Applicationfits for ford 2003-2010 f-250, f350, f-450, e-250, f-750 2004-2010 e150, f-550, excursion 2004-2007 f-650, 6.0l, and low cab forward 4. 5l, e-450, e-350, 6.4l and vt365-maxxForce7 Navistar International.

High quality materialmade from quality carbon steel, rust and corrosion resistance, impact resistance, great strength, sturdy and durable. Great value & convenientmake you easy to replace ztse4515C ZTSE4515 OE Part Number 303-770 for saving your time and money. The wear ring is automatically installed to the proper depth. Benefitthis rear main seal installer tool can help you install the crankshaft wear ring, rear seal and rear seal carrier effortlessly. Functiondesigned to eliminate lip flare on the wear sleeve and install the crankshaft rear seal wear ring on 4. 5l, 6. 0l & 6. 4l powerstroke engine properly. Prevent your seal from leaking.
BrandBonbo #ad
ManufacturerBonbo #ad
Part NumberB-303-770

7. Ferrum Tools


Ferrum Tools Detroit Diesel DD13 DD15 DD16 W470589004300 Rear Crankshaft Oil Seal Remover and Installer Tool Alternative

Ferrum Tools #ad - Use to remove and install Oil Seals Without Damaging the Seal. Heavy duty Aftermarket Product. Detroit diesel rear Crankshaft Oil Seal Remover and Installer Tool. Application: dd13, dD15 and DD16. Alternative: w470589004300 .
BrandFerrum Tools #ad
ManufacturerFerrum Tools #ad
Part NumberFEPRO4300

8. Oni Tools


Oni Tools Rear Crankshaft Oil Seal Installer for Volvo D12 D13 D16 Truck Engine 9998238 and 9992000 OEM Alternative Drift Tool for 7" Crank Seals 20441481

Oni Tools #ad - Also use 9990166-88880013 and 88800619 for 7" crank seal 22191895. You may also use this tool or 9990166-88880013 for 7" crank oil seal 1543896. We guarantee our products to last and offer support along the way.

Use 9990166-88880013 for 7" crank seal 85108352. To install 6" crank oil seal 20441697, tool 88800561 most be used. Heavy duty steel structure machined, welded and finished with powder coating to resist corrosion and ensure a long-term and reliable performance. Oni tools ensures quality products and stands behind top of the line manufacturing. This specialty tool was designed to work for volvo d12, a, d16, d13, b and c engines with 7" crank seal 20441481. Direct replacement to oem drift tool 9998238 and 9992000 .
BrandOni Tools #ad
ManufacturerOni Tools #ad
Height12 Inches
Length13.5 Inches
Width3.5 Inches
Part NumberONI207T

9. Sunluway


3406 Diesel Front & Rear Crankshaft Seal Wear Sleeve Installer for CAT Caterpillar 3406 3408 C-15

Sunluway #ad - Application- universal fits for installation of crankshaft Front and Rear Seal Wear Ring compatible with Caterpillar CAT 3406 3408 C15. Easier work- replacement for cat oem 6v-6142, 5p-1737 3, 6v-6143, 9s-8858 and 5p-1733 and work in an easier way to save your time and money.

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. Satisfaction guarantee: if you're not 100% satisfied with this crankshaft front and rear seal installer, simply return it for a full refund in 30 days, guarantee with 12 months’ warranty. This tool is needed to prevent your seal from leaking. Function- to replace the new seal for the engine.
BrandSunluway #ad
ManufacturerSunluway #ad
Part NumberSL- 3460 set

10. Bonbo


Works with Oil Seals 3934486 3926126 5259499, B Series 5.9L, 3164660 Rear Crankshaft Seal Remover and Installer Tool for Cummins 1989-2016 4BT 3.9L, QSB 5.9L 6.7L, ISB 5.9L 6.7L, Paccar Engines PX-6

Bonbo #ad - Satisfaction guarantee – if you're not satisfied with the tool, simply return for a full refund in 30 days or get a replacement during 1 year warranty via our customer service.

Practical function – this tool will help you remove broken leaking seals and install new one without a wear sleeve such as 5259499, 3934486 and 3926126 at ease. Superior quality – made of premium and wear resistance carbon steel and then coated with a slick black finish, sturdy, impact resistance and anti-corrosion for providing much longer service time. Direct replacement – alternative to # 3164660 both in function and performance. Wide application – for use on 1989-2016 cummins 4bt 3. 9l, b series 5. 9l, isb 5. 9l 6. 7l and qsB 5. 9l 6. 7l, also for Paccar engines PX-6.
BrandBonbo #ad
ManufacturerBonbo #ad
Part Number3164660