The 7 Best 350 One Piece Rear Main Seals (2022 reviews)

We know from years of feedback from readers, amazon sellers, and family and friends what most people want in a seal. The Felpro Rear Main Seal is exactly that - it's a simple seal that hits all the right notes. In addition, it is constructed with excellent quality, it is made with fast shipping and has excellent design. Make sure this fits by entering your model number. Finally, the felpro rear main seal comes with a direct fit and has a good design.

Almost all customers agree that the seal is a rear main seal kit for a gm vortec engine. Further, they strongly agree that the seal will fit all ls1s from 98. In addition, they say that the gasket and seal are of high quality, as expected from fel - pro. To sum up, for most customers, the seal was what they were looking for.

Top Customer Quotes:

Seal or rear main bearing oil seal installation set.
This fits ls series motors like it says.
The truck is up and going and the seal is working great.
This will fit if your car uses a vortec 5.3 luber engañe.

Best With Part Number: Gm 350 One Piece Rear Main Seal

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Next on the list, we've got yet another seal that manages to win our hearts. It's the Gm 350 One Piece Rear Main Seal and it's widely considered as one of the most convenient seals you can buy. The gm 350 one piece rear main seal can be repaired with genuine part, It is fitted well and has a good design. Make sure this fits by entering your model number. Moreover, the seal works well for bolts up like a factory, It is fitment and has a perfect design. Above all, the gm 350 one piece rear main seal would be perfect for fast shipping and it does the job.

Almost all buyers found that the seal comes with all the bolts and a plastic guide to line up the rear main seal. Further, a few strongly agree that the seal includes everything and makes installation easier with the round rear main oil seal pre-installed in the housing. In addition, a few strongly agree that the rearmain seal can center itself over the rear crank snout, unlike the front cover where it actually seals against the damper pulley, not the crank. With no doubts, this product passed the test and had very satisfied buyers eager to share their experience.

Top Customer Quotes:

The main seal was preinstalled, the oe tools would not work anyway.
This will solve a rear main seal leak if installed properly.
This is for the ls style v8s.
This fits all gen iii vortec and ls series v8.

Best For Easy Install: Felpro 350 One Piece Rear Main Seal

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The Felpro 350 One Piece Rear Main Seal is suitable and reliable and fits well with your regular use. Make sure this fits by entering your model number. Seal or rear main bearing oil seal installation set. In short, with a 4.5 rating and more than 1648 buyers, the felpro 350 one piece rear mainseal stands as the best choice.

Most buyers quickly discovered that the seal comes with a rear seal, and a sleeve that aids installation. Also, they also found that the seal has a 5.0 liter engine it will fit. Also, they strongly agree that the new seal contains a smaller, outer lip that prevents debris intrusion. Overall, buyers found this to be one of the best seals for daily purposes.

Top Customer Quotes:

This is made by a great company, fel-pro.
Application specific design to ensure a perfect fit.
Engineered and manufactured specifically for repair applications.
This comes with an installation tool to help get the lip over the crank.

Best For Great Price: Ict Billet 350 One Piece Rear Main Seal

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The Ict Billet 350 One Piece Rear Main Seal is capable of outshining several other seals featured in this list in overall features for the price point. Moreover, it is great for a great price and it is sturdy. Make sure this fits by entering your model number. Most importantly, the ict billet 350 onepiece rearmain seal is not compatible with the LSX engine block and LSX rear cover.

Almost all buyers found that the seal was a perfect fit with no issues at all.

Why We Like This:

gasket and crankshaft seal are direct replacements for oem components.
Not compatible with LSX engine block and lsx rear cover.
Includes: 1 rear cover gasket and 1 rear crankshaft seal.
Compatible with: all gm ls series engines (gen 3 & 4).

Best For Longer Service Life: E-Cowlboy 350 One Piece Rear Main Seal

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The E-Cowlboy 350 One Piece Rear Main Seal has killer features for the price point. The e-cowlboy 350 one piecerear main seal worked perfectly and is suitable for easier work, It is suitable for high precision and has a perfect design. Professional & sincere service allows you to take no risks by purchasing an e-cowlboy. And, it makes for great compatibility, it is easy to use and has an upgraded design.

Lastly, the e-cowlboy 350one piece rear main seal is perfectly installed the sleeved seal, preventing damage to the seal and leakage.

Almost all customers opine that the seal is 7834 and for the 60-64 application is 303. Moreover, a few also found that the seal is a great tool, making the job easier. Further, they also found that the seal is probably a different diameter. In short, buyers found this to be one of the best seals for daily purposes.

Why We Like This:

This comes with a satisfaction guarantee and has a good design.
This comes with or without a metal wear sleeve.
New and hot releases.

Best With Wear Sleeve: Def 350 One Piece Rear Main Seal

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If you are currently in the market looking for a suitable seal for your daily use, DEF 350 onepiece rear mainseal is the natural choice. The Def 350 One Piece Rear Main Seal works well for good quality, is suitable for replacement for 45l diesel and it is easy to use. Universal, used to install the crankshaft rear seal wear ring for 4.5l, 6.0l, 6.4l powerstroke and works in an easier way to save your time and money. Also, it is made of high quality carbon steel, impact resiatant, excellent solid and durable. Above all, the def 350one piecerear main seal is automatically installed to the proper depth.

Almost all buyers opine that the seal fits 6.4 rear seal. Therefore, most customers call the seal suits best, and no one questions it.

Why We Like This:

This tool is needed to prevent your seal from leaking.
New and hot releases.

Best For Wide Application: Sunluway 350 One Piece Rear Main Seal

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Compared with other seals in this category, the Sunluway 350 One Piece Rear Main Seal has a convenient design. The sunluway 350 one piece rear main seal comes with a satisfaction guarantee and it is great for broad use. Make sure this fits by entering your model number. Further, the seal is a high-quality tool and you will be pleased with your purchase. Lastly, the sunluway 350 one piece rear main seal is 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.

Why We Like This:

New and hot releases.
Good brand reputation.