Best Main Seals. Reviews September, 2020

Fel-Pro BS 40640 Rear Main Seal Set

Search only Fel-Pro brand name
Fel-Pro BS 40640 Rear Main Seal Set

Current price: 20.55 USD

Saving: $4.44 (18%)


Check price and availability


Height: 1.1 Inches

Length: 12 Inches

Width: 11 Inches

Weight: 0.05 Pounds

  • Validated for fit, form and function
  • Engineered and manufactured specifically for repair applications
  • Meets or exceeds all original equipment specifications
  • Application-specific design ensures a perfect fit
  • Rear main bearing oil seal installation set

More Info

Dorman 635-518 Engine Rear Main Seal Cover for Select Models

Search only Dorman brand name
Dorman 635-518 Engine Rear Main Seal Cover for Select Models

Current price: 43.95 USD

Saving: $3.04 (6%)


Check price and availability


Height: 1.5 Inches

Length: 11.4 Inches

Width: 11.1 Inches

Weight: 2.5 Pounds

Warranty: Limited Lifetime Warranty

  • Validated for fit, form and function
  • Engineered and manufactured specifically for repair applications
  • Meets or exceeds all original equipment specifications
  • Application-specific design ensures a perfect fit
  • Rear main bearing oil seal installation set
  • Ensure fit – to make sure this part fits your exact vehicle, input your make, model and trim level into the Amazon Garage
  • Rigorous quality control measures have been undertaken to ensure that this part conforms to product standards
  • Direct replacement for a proper fit
  • Constructed from aluminum for long-lasting performance
  • Comes with bolts and gaskets - everything necessary for a complete repair

More Info

Fel-Pro BS 40631 Rear Engine Main Seal Set

Search only Fel-Pro brand name
Fel-Pro BS 40631 Rear Engine Main Seal Set

Current price: 29.96 USD


Check price and availability


Height: 0.8 Inches

Length: 12 Inches

Width: 6 Inches

Weight: 0.55 Pounds

  • Validated for fit, form and function
  • Engineered and manufactured specifically for repair applications
  • Meets or exceeds all original equipment specifications
  • Application-specific design ensures a perfect fit
  • Rear main bearing oil seal installation set
  • Ensure fit – to make sure this part fits your exact vehicle, input your make, model and trim level into the Amazon Garage
  • Rigorous quality control measures have been undertaken to ensure that this part conforms to product standards
  • Direct replacement for a proper fit
  • Constructed from aluminum for long-lasting performance
  • Comes with bolts and gaskets - everything necessary for a complete repair
  • Validated for fit, form and function
  • Engineered and manufactured specifically for repair applications
  • Meets or exceeds all original equipment specifications
  • Application-specific design ensures a perfect fit
  • Rear main bearing oil seal installation set

More Info

Fel-Pro BS 40650 Rear Main Seal Set

Search only Fel-Pro brand name
Fel-Pro BS 40650 Rear Main Seal Set

Current price: 33.95 USD


Check price and availability


Height: 1 Inches

Length: 12 Inches

Width: 11 Inches

Weight: 0.75 Pounds

  • Validated for fit, form and function
  • Engineered and manufactured specifically for repair applications
  • Meets or exceeds all original equipment specifications
  • Application-specific design ensures a perfect fit
  • Rear main bearing oil seal installation set
  • Ensure fit – to make sure this part fits your exact vehicle, input your make, model and trim level into the Amazon Garage
  • Rigorous quality control measures have been undertaken to ensure that this part conforms to product standards
  • Direct replacement for a proper fit
  • Constructed from aluminum for long-lasting performance
  • Comes with bolts and gaskets - everything necessary for a complete repair
  • Validated for fit, form and function
  • Engineered and manufactured specifically for repair applications
  • Meets or exceeds all original equipment specifications
  • Application-specific design ensures a perfect fit
  • Rear main bearing oil seal installation set
  • Validated for fit, form and function
  • Engineered and manufactured specifically for repair applications
  • Meets or exceeds all original equipment specifications
  • Application-specific design ensures a perfect fit
  • Rear main bearing oil seal installation set

More Info

635-518 Rear Main Seal Kit 4.8 5.3 6.0 6.2 Fit For Chevy GMC 12633579 12639250

Search only labwork brand name
635-518 Rear Main Seal Kit 4.8 5.3 6.0 6.2 Fit For Chevy GMC 12633579 12639250

Current price: 36.95 USD

Saving: $2.00 (5%)


Check price and availability


  • Validated for fit, form and function
  • Engineered and manufactured specifically for repair applications
  • Meets or exceeds all original equipment specifications
  • Application-specific design ensures a perfect fit
  • Rear main bearing oil seal installation set
  • Ensure fit – to make sure this part fits your exact vehicle, input your make, model and trim level into the Amazon Garage
  • Rigorous quality control measures have been undertaken to ensure that this part conforms to product standards
  • Direct replacement for a proper fit
  • Constructed from aluminum for long-lasting performance
  • Comes with bolts and gaskets - everything necessary for a complete repair
  • Validated for fit, form and function
  • Engineered and manufactured specifically for repair applications
  • Meets or exceeds all original equipment specifications
  • Application-specific design ensures a perfect fit
  • Rear main bearing oil seal installation set
  • Validated for fit, form and function
  • Engineered and manufactured specifically for repair applications
  • Meets or exceeds all original equipment specifications
  • Application-specific design ensures a perfect fit
  • Rear main bearing oil seal installation set
  • Width (in): 6 In.
  • Length (In): 10 In.
  • Inside Diameter (in): 2.7 In.
  • Other Part Number: 12633579;12639250
  • Manufacturer Part Number: 635-518

More Info

Fel-Pro BS40013 Rear Engine Main Seal Set

Search only Fel-Pro brand name
Fel-Pro BS40013 Rear Engine Main Seal Set

Current price: 9.56 USD

Saving: $1.80 (16%)


Check price and availability


Height: 0.9 Inches

Length: 8 Inches

Width: 3.5 Inches

Weight: 0.05 Pounds

  • Validated for fit, form and function
  • Engineered and manufactured specifically for repair applications
  • Meets or exceeds all original equipment specifications
  • Application-specific design ensures a perfect fit
  • Rear main bearing oil seal installation set
  • Ensure fit – to make sure this part fits your exact vehicle, input your make, model and trim level into the Amazon Garage
  • Rigorous quality control measures have been undertaken to ensure that this part conforms to product standards
  • Direct replacement for a proper fit
  • Constructed from aluminum for long-lasting performance
  • Comes with bolts and gaskets - everything necessary for a complete repair
  • Validated for fit, form and function
  • Engineered and manufactured specifically for repair applications
  • Meets or exceeds all original equipment specifications
  • Application-specific design ensures a perfect fit
  • Rear main bearing oil seal installation set
  • Validated for fit, form and function
  • Engineered and manufactured specifically for repair applications
  • Meets or exceeds all original equipment specifications
  • Application-specific design ensures a perfect fit
  • Rear main bearing oil seal installation set
  • Width (in): 6 In.
  • Length (In): 10 In.
  • Inside Diameter (in): 2.7 In.
  • Other Part Number: 12633579;12639250
  • Manufacturer Part Number: 635-518
  • Validated for fit, form and function
  • Engineered and manufactured specifically for repair applications
  • Meets or exceeds all original equipment specifications
  • Application-specific design ensures a perfect fit
  • Rear main bearing oil seal installation set

More Info

Fel-Pro BS40620 Rear Engine Main Seal Set

Search only Fel-Pro brand name
Fel-Pro BS40620 Rear Engine Main Seal Set

Current price: 13.34 USD


Check price and availability


Height: 0.5 Inches

Length: 12 Inches

Width: 6 Inches

Weight: 0.1 Pounds

  • Validated for fit, form and function
  • Engineered and manufactured specifically for repair applications
  • Meets or exceeds all original equipment specifications
  • Application-specific design ensures a perfect fit
  • Rear main bearing oil seal installation set
  • Ensure fit – to make sure this part fits your exact vehicle, input your make, model and trim level into the Amazon Garage
  • Rigorous quality control measures have been undertaken to ensure that this part conforms to product standards
  • Direct replacement for a proper fit
  • Constructed from aluminum for long-lasting performance
  • Comes with bolts and gaskets - everything necessary for a complete repair
  • Validated for fit, form and function
  • Engineered and manufactured specifically for repair applications
  • Meets or exceeds all original equipment specifications
  • Application-specific design ensures a perfect fit
  • Rear main bearing oil seal installation set
  • Validated for fit, form and function
  • Engineered and manufactured specifically for repair applications
  • Meets or exceeds all original equipment specifications
  • Application-specific design ensures a perfect fit
  • Rear main bearing oil seal installation set
  • Width (in): 6 In.
  • Length (In): 10 In.
  • Inside Diameter (in): 2.7 In.
  • Other Part Number: 12633579;12639250
  • Manufacturer Part Number: 635-518
  • Validated for fit, form and function
  • Engineered and manufactured specifically for repair applications
  • Meets or exceeds all original equipment specifications
  • Application-specific design ensures a perfect fit
  • Rear main bearing oil seal installation set
  • Validated for fit, form and function
  • Engineered and manufactured specifically for repair applications
  • Meets or exceeds all original equipment specifications
  • Application-specific design ensures a perfect fit
  • Rear main bearing oil seal installation set

More Info

SacCityCorvette LS Rear Main Cover Alignment Tool & Seal Installer GM Gen III & IV Engines LS1-2-3-6-7-9-LQ4-LQ9-4.8L-5.3L-6.0L & More

Search only SacCityCorvette brand name
SacCityCorvette LS Rear Main Cover Alignment Tool & Seal Installer GM Gen III & IV Engines LS1-2-3-6-7-9-LQ4-LQ9-4.8L-5.3L-6.0L & More

Current price: 44.95 USD


Check price and availability


  • Validated for fit, form and function
  • Engineered and manufactured specifically for repair applications
  • Meets or exceeds all original equipment specifications
  • Application-specific design ensures a perfect fit
  • Rear main bearing oil seal installation set
  • Ensure fit – to make sure this part fits your exact vehicle, input your make, model and trim level into the Amazon Garage
  • Rigorous quality control measures have been undertaken to ensure that this part conforms to product standards
  • Direct replacement for a proper fit
  • Constructed from aluminum for long-lasting performance
  • Comes with bolts and gaskets - everything necessary for a complete repair
  • Validated for fit, form and function
  • Engineered and manufactured specifically for repair applications
  • Meets or exceeds all original equipment specifications
  • Application-specific design ensures a perfect fit
  • Rear main bearing oil seal installation set
  • Validated for fit, form and function
  • Engineered and manufactured specifically for repair applications
  • Meets or exceeds all original equipment specifications
  • Application-specific design ensures a perfect fit
  • Rear main bearing oil seal installation set
  • Width (in): 6 In.
  • Length (In): 10 In.
  • Inside Diameter (in): 2.7 In.
  • Other Part Number: 12633579;12639250
  • Manufacturer Part Number: 635-518
  • Validated for fit, form and function
  • Engineered and manufactured specifically for repair applications
  • Meets or exceeds all original equipment specifications
  • Application-specific design ensures a perfect fit
  • Rear main bearing oil seal installation set
  • Validated for fit, form and function
  • Engineered and manufactured specifically for repair applications
  • Meets or exceeds all original equipment specifications
  • Application-specific design ensures a perfect fit
  • Rear main bearing oil seal installation set
  • Same Business Day Shipping and usually arrives in 2-4 days. Please do not go by the Amazon dates, they are not accurate!
  • Patented O-Ring Design Insures Perfect Alignment Everytime in all Temperatures!
  • Made of heavy duty PVC Plastic CNC Machined to exact specs.
  • Prefectly Aligns Rear Main Cover and used to install seal! Many customers that buy our rear main tool also buy our Billet Barbell/oil diverter. It keeps unfiltered oil out of bearings and lifters. Here is where to find the info.  www.amazon.com/dp/B078YZRBL9?ref=myi_title_dp
  • This is the Original Authentic AlignIt Tool that Aligns the Rear Main Cover & Installs Seal to prevent leaks.

More Info

Crankshaft Front Seal Installer 303-1259 and Rear Main Seal Installer Tool 303-770 Fit for Ford 4.5L, 6.0L & 6.4L Powerstroke F-250/350/450/550

Search only E-cowlboy brand name
Crankshaft Front Seal Installer 303-1259 and Rear Main Seal Installer Tool 303-770 Fit for Ford 4.5L, 6.0L & 6.4L Powerstroke F-250/350/450/550

Current price: 288.99 USD


Check price and availability


  • Validated for fit, form and function
  • Engineered and manufactured specifically for repair applications
  • Meets or exceeds all original equipment specifications
  • Application-specific design ensures a perfect fit
  • Rear main bearing oil seal installation set
  • Ensure fit – to make sure this part fits your exact vehicle, input your make, model and trim level into the Amazon Garage
  • Rigorous quality control measures have been undertaken to ensure that this part conforms to product standards
  • Direct replacement for a proper fit
  • Constructed from aluminum for long-lasting performance
  • Comes with bolts and gaskets - everything necessary for a complete repair
  • Validated for fit, form and function
  • Engineered and manufactured specifically for repair applications
  • Meets or exceeds all original equipment specifications
  • Application-specific design ensures a perfect fit
  • Rear main bearing oil seal installation set
  • Validated for fit, form and function
  • Engineered and manufactured specifically for repair applications
  • Meets or exceeds all original equipment specifications
  • Application-specific design ensures a perfect fit
  • Rear main bearing oil seal installation set
  • Width (in): 6 In.
  • Length (In): 10 In.
  • Inside Diameter (in): 2.7 In.
  • Other Part Number: 12633579;12639250
  • Manufacturer Part Number: 635-518
  • Validated for fit, form and function
  • Engineered and manufactured specifically for repair applications
  • Meets or exceeds all original equipment specifications
  • Application-specific design ensures a perfect fit
  • Rear main bearing oil seal installation set
  • Validated for fit, form and function
  • Engineered and manufactured specifically for repair applications
  • Meets or exceeds all original equipment specifications
  • Application-specific design ensures a perfect fit
  • Rear main bearing oil seal installation set
  • Same Business Day Shipping and usually arrives in 2-4 days. Please do not go by the Amazon dates, they are not accurate!
  • Patented O-Ring Design Insures Perfect Alignment Everytime in all Temperatures!
  • Made of heavy duty PVC Plastic CNC Machined to exact specs.
  • Prefectly Aligns Rear Main Cover and used to install seal! Many customers that buy our rear main tool also buy our Billet Barbell/oil diverter. It keeps unfiltered oil out of bearings and lifters. Here is where to find the info.  www.amazon.com/dp/B078YZRBL9?ref=myi_title_dp
  • This is the Original Authentic AlignIt Tool that Aligns the Rear Main Cover & Installs Seal to prevent leaks.
  • 100% Satisfaction Guarantee – If you're not 100% satisfied with your tools, simply return it for a full refund in 30 days, guarantee with 12 months’ warranty.
  • Direct Replacement – Replace ZTSE4515C ZTSE4515 303-770 and 303-1259 ZTSE4691. Meet the OE quality and performance, makes your work easier while saving money.
  • Superior Quality – 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!
  • 303-1259 Front Seal Installer – Use to install crankshaft front seal/ wear sleeve fit for Ford 6.4L Powerstroke Engines, include F-250/350/450/550;Super Duty 2008, 2009, 2010; 365-MaxxForce7. This tool is needed to prevent your seal from leaking.
  • 303-770 Rear Main Seal Installer – Use for installation & removal of crankshaft rear seal wear ring fit for Ford 4.5L, 6.0L & 6.4L Powerstroke Diesel Engine, Low Cab Forward, F-Super Duty 250-550, E-Series.

More Info

LAFORMO 635-518 12639250 Crankshaft Rear Main Seal With Housing Cover, Gasket, Bolt Kit Replacement for 4.8 5.3 6.0 6.2 GMC 2020-97, Isuzu 2016-03, Saab 2009-05

Search only NORMAL brand name
LAFORMO 635-518 12639250 Crankshaft Rear Main Seal With Housing Cover, Gasket, Bolt Kit Replacement for 4.8 5.3 6.0 6.2 GMC 2020-97, Isuzu 2016-03, Saab 2009-05

Current price: 35.99 USD

Saving: $2.01 (5%)


Check price and availability


  • Validated for fit, form and function
  • Engineered and manufactured specifically for repair applications
  • Meets or exceeds all original equipment specifications
  • Application-specific design ensures a perfect fit
  • Rear main bearing oil seal installation set
  • Ensure fit – to make sure this part fits your exact vehicle, input your make, model and trim level into the Amazon Garage
  • Rigorous quality control measures have been undertaken to ensure that this part conforms to product standards
  • Direct replacement for a proper fit
  • Constructed from aluminum for long-lasting performance
  • Comes with bolts and gaskets - everything necessary for a complete repair
  • Validated for fit, form and function
  • Engineered and manufactured specifically for repair applications
  • Meets or exceeds all original equipment specifications
  • Application-specific design ensures a perfect fit
  • Rear main bearing oil seal installation set
  • Validated for fit, form and function
  • Engineered and manufactured specifically for repair applications
  • Meets or exceeds all original equipment specifications
  • Application-specific design ensures a perfect fit
  • Rear main bearing oil seal installation set
  • Width (in): 6 In.
  • Length (In): 10 In.
  • Inside Diameter (in): 2.7 In.
  • Other Part Number: 12633579;12639250
  • Manufacturer Part Number: 635-518
  • Validated for fit, form and function
  • Engineered and manufactured specifically for repair applications
  • Meets or exceeds all original equipment specifications
  • Application-specific design ensures a perfect fit
  • Rear main bearing oil seal installation set
  • Validated for fit, form and function
  • Engineered and manufactured specifically for repair applications
  • Meets or exceeds all original equipment specifications
  • Application-specific design ensures a perfect fit
  • Rear main bearing oil seal installation set
  • Same Business Day Shipping and usually arrives in 2-4 days. Please do not go by the Amazon dates, they are not accurate!
  • Patented O-Ring Design Insures Perfect Alignment Everytime in all Temperatures!
  • Made of heavy duty PVC Plastic CNC Machined to exact specs.
  • Prefectly Aligns Rear Main Cover and used to install seal! Many customers that buy our rear main tool also buy our Billet Barbell/oil diverter. It keeps unfiltered oil out of bearings and lifters. Here is where to find the info.  www.amazon.com/dp/B078YZRBL9?ref=myi_title_dp
  • This is the Original Authentic AlignIt Tool that Aligns the Rear Main Cover & Installs Seal to prevent leaks.
  • 100% Satisfaction Guarantee – If you're not 100% satisfied with your tools, simply return it for a full refund in 30 days, guarantee with 12 months’ warranty.
  • Direct Replacement – Replace ZTSE4515C ZTSE4515 303-770 and 303-1259 ZTSE4691. Meet the OE quality and performance, makes your work easier while saving money.
  • Superior Quality – 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!
  • 303-1259 Front Seal Installer – Use to install crankshaft front seal/ wear sleeve fit for Ford 6.4L Powerstroke Engines, include F-250/350/450/550;Super Duty 2008, 2009, 2010; 365-MaxxForce7. This tool is needed to prevent your seal from leaking.
  • 303-770 Rear Main Seal Installer – Use for installation & removal of crankshaft rear seal wear ring fit for Ford 4.5L, 6.0L & 6.4L Powerstroke Diesel Engine, Low Cab Forward, F-Super Duty 250-550, E-Series.
  • 1 Year Warranty
  • Other Part Number: 12633579;12639250, 635-518
  • Constructed from aluminum for long-lasting performance
  • Fit Rear Main Seal Kit 4.8 5.3 6.0 6.2 Chevy
  • Comes with bolts and gaskets, 1 silicon sealant - everything necessary for a complete repair

More Info

1    2    3    4    5    6    7    8    9    10