The Best Rear Main Seal Tool – 2022

After hours of researching and comparing all models on the market, we find out the Best Rear Main Seal Tool of 2022. Check our ranking below.

Our Picks For The Top Rear Main Seal Tool


SaleBestseller No. 1
Performance Tool W84019 Upper Rear Main Seal Remover/Inst
  • Removes and installs upper rear main seals without removing engine or crankshaft
  • Contains Corkscrew removal tool, T-handle and wire with clip for pulling new seals into place, 2 extra clips
Bestseller No. 2
LS Rear Main Cover Alignment Tool & Seal Installer GM Gen III & IV Engines 4.8 5.3 6.0L LS1 LS2 LS3 LS6 LS7 LS9 LQ4 LQ9
  • FITMENT - The rear cover alignment tool kit compatible with GM LS engines 4.8 5.3 5.7 6.0 LS1 LS2 LS3 LS6 L99 LS4 LS9 LSA LQ4 LQ9 L76 L92
  • BENEFITS - Aligns the Rear Main Cover & Installs Seal to prevent leaks
  • INSTRUCTIONS - LS engines utilize front and rear seals with Teflon inner sealing lips. For proper seal function and longevity it is critical that the seals be aligned perfectly concentric to the front diameter on the balancer hub and rear sealing surface on
  • QUALITY - Machined from Billet aluminum with great durability and tight tolerances for a perfect alignment. Perfect for engine builders and mechanic to replace the rear main seal for GM LS series engine
  • INCLUDES - (1)Rear Cover Billet Alignment Tool
Bestseller No. 3
DAWNROAD Rear Main Seal Alignment Tool,Front and Rear Cover Billet Alignment Tool & Oil Pan Alignment Tool Fits for GM LS Series Engines 4.8 5.3 5.7 6.0 LS1 LS2 LS3 LS6 L99 LS4 LS9 LSA LQ4 LQ9 L76 L92
  • APPLICATION: This tool mimics the balancer and oil pan to provide critical alignment of the oil pan and front cover, designed to be used in conjunction with the front cover alignment tool.
  • FUNCTION: This front and rear cover billet alignment tool kit helps easily align the front and rear engine covers to make sure the cover is centered, allows you properly install the seal to avoid leaks. In additional, can center / align the cover on the front seal or locates on the inside diameter of the seal bore in the cover without the seal installed. A centered cover means less of a chance for a seal to leak.
  • WIDE COMPATIBILITY: This front & rear cover and oil pan alignment tool set perfectly fits for GM LS series engine 4.8 5.3 5.7 6.0 LS1 LS2 LS3 LS4 LS6 LS7 L99 LS4 LS9 LSA LQ4 LQ9 L76 L92.
  • INSTRUCTIONS: LS engines utilize front and rear seals with Teflon inner sealing lips. For proper seal function and longevity it is critical that the seals be aligned perfectly concentric to the front diameter on the balancer hub and rear sealing surface on. For LS engine, the oil pan is a stressed member and adds to block rigidity. Due to this reason, it can't simply be slapped in place, you will have to aligned the front and rear engine covers to the oil pan carefully.
  • PREMIUM MATERIAL: Made of high-quality Aluminum for great strength, prevent corrosion and rust, tight tolerances for perfect alignment, ensures long term reliable service. Perfect for engine builders and mechanic to replace the front or rear main seal for GM LS series engine.
Bestseller No. 4
303-770 Crankshaft Rear Main Seal & Wear Sleeve Ring Installer Tool Perfectly Fits for Ford 4.5L 6.0L 6.4L Powerstroke Diesel Engines
  • 【Wide Application】Perfectly compatible with Ford 4.5L 6.0L 6.4L Powerstroke Diesel Engines. Fits for Super Duty F-250 F350 F-450 F-550 F-650 F-750; Fits for Low Cab Forward; Fits for E-Series; Fits for Excursion; Fits for VT 365-MaxxForce7 Navistar International.
  • 【High Performance】Specially designed to help you easily and properly install and remove the rear crankshaft seal, wear ring & rear seal carrier for Ford 4.5L 6.0L 6.4L Powerstroke engines, effectively prevents the seal from leaking.
  • 【Direct Replacement】Comparable to OEM part number ZTSE4515C ZTSE4515 303-770 both in quality and functions. Our rear main seal installer tool meets or exceeds the OEM specifications, perfect fit and makes your job easier, saving your time, energy and money.
  • 【Superior Material】303-770 Rear Main Seal Installer Tool is made from top quality carbon STEEL, high strength, prevent corrosion and rust, wear and impact resistance, sturdy and durable. High precision and hardness ensure long term reliable service.
  • 【100% Satisfaction Guarantee】If you're not satisfied with our 303-770 Rear Crankshaft Seal and Wear Sleeve Ring Installer Tool, simply return it for a full refund in 30 days. While you have any questions about our products, please feel free to contact us and we will provide the best service. Always buy confidently in Bonbo!
Bestseller No. 5
Tektall Diesel Front & Rear Crankshaft Seal Wear Sleeve Tool Kit Installer Tool Perfectly Fits for CAT Caterpillar 3406 3408 C-15
  • 【Function】 Used to easily and quickly replace the oil seal or sleeve of the diesel engine to avoid damaging the auto parts. This tool is needed to protect your seals from leaks.
  • 【Good Quality】 Made of high-quality carbon steel, high strength, corrosion-resistant and rust-resistant, impact-resistant, sturdy and durable. High precision and hardness ensure long-term service.
  • 【Fitment 1】 Use on Front and Rear Crankshaft Seal Wear Sleeve for Caterpillar 3406, 3408, C-15.
  • 【Fitment 2】Compatible with 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.
  • 【Package Includes】 You will received everything shown in the picture. Please confirm the item Number if it matches your machine before you purchase.
Bestseller No. 6
7835 Rear Main Oil Seal Remover Installer Kit Replacement for 1998-2003 7.3L Diesel Engines in 3/4 and 1 Ton Trucks Heavy Duty Steel
  • The Heavy Duty Steel Kit Replacement for 1998-2003 7.3L Diesel Engines in 3/4 and 1 Ton Trucks
  • High-grade materials ensure quality performance over the lifetime of the tools
  • Made of heavy duty steel.Replace 7835 and work in a easier way to save your time and money
  • Complete 8-piece kit includes all the tools you need to correctly remove and install the rear main oil seal and wear ring on the crankshaft
  • Perfectly install the sleeved seal, prevent damage to the seal and leakage.Note: there is a layer of oil stain on the surface of the product to protect it. Please use tools when taking it to avoid contaminating hands。Installation instructions are not included
Bestseller No. 7
LS Rear Main Cover Alignment Tool & Seal Installer for GM Gen III & IV Engines 4.8 5.3 5.7 6.0 LS1 LS2 LS3 LS6 L99 LS9 LSA LQ4 LQ9
  • 【Perfect Fit】 LS Rear Cover Alignment Tool and Seal Installer is compatible with GM LS engines 4.8 5.3 5.7 6.0 6.2 7.0 LS1 LS2 LS3 LS6 L99 LS4 LS9 LSA LQ4 LQ9 L76 L92.
  • 【Helpful Alignment Tool】 LS Rear Main Cover Alignment Tool & Seal Installer allows you to install Rear Main Cover and Seal with a nice large surface. Helps you make sure they are centered perfectly. Quick and accurate installation to prevent leakage.
  • 【How It Works】 LS engines utilize rear seals with Teflon inner sealing lips. For proper seal function and longevity, it is critical that the seal be perfectly concentric with the front diameter and rear sealing surfaces on the balancer hub. This tool mimics the balancer to center the cover on the rear seal or locates on the ID of the seal bore in the cover without the seal installed.
  • 【Superior Quality】 Constructed from high quality aluminum for high strength, corrosion resistance, great durability and tight tolerances for perfect alignment. Ideal for engine builders and mechanics replacing rear main seals on GM LS series engines.
  • 【Easy to Use】 Easy to use and suitable for DIY. Simply install the rear cover loosely and install the alignment tool. Check the alignment and tighten the rear cover bolts. Install the rear main seal with the tool and then you’re ready to go.
SaleBestseller No. 8
for LS Rear Main Seal Alignment Tool,Front Cover Alignment Tools & Oil Pan Front Cover Alignment Tool Kit for GM LS Engine 4.8 5.3 5.7 6.0 LS1 LS2 LS3 LS6 L99 LS4 LS9 LSA LQ4 LQ9 L76 L92
  • For LS Engine -- This Front / Rear Cover Alignment Tool & Oil Pan Alignment Tool Kit Compatible With GM LS engines 4.8 5.3 5.7 6.0 LS1 LS2 LS3 LS6 L99 LS4 LS9 LSA LQ4 LQ9 L76 L92.
  • FUNCTION -- This Alignment Tool Kit helps align the front and rear engine covers for proper seal function and longevity. Designed to be used in conjunction with each other.
  • A MUST HAVE -- This is a must for people replacing the front or real main seal in a GM LS Series engine. 1. The front rear cover alignment tool mimics the balancer to center the cover on the front seal OR locates on the ID of the seal bore in the cover without the seal installed. 2. While the oil pan alignment tool mimics the oil pan thus providing critical alignment of the oil pan and front cover.
  • TOP QUALITY -- Machined from Billet aluminum & Quality steel. Very tight tolerances for a perfect alignment. This kit is a must have for engine builders and mechanics!
  • PACKAGE INCLUDES -- 1 x Oil Pan Front Cover Alignment Tool With Bolts, 1 x Front Cover Billet Alignment Tool, 1 x Rear Cover Billet Alignment Tool. Guarantee with 12 months warranty.
Bestseller No. 9
aremnry LS Rear Main Seal Alignment Tool,Front and Rear Cover Billet Alignment Tool & Oil Pan Alignment Tool
  • 【Applications】The front & rear cover and oil pan alignment tool set perfectly compatible with GM LS series engine 4.8 5.3 5.7 6.0 LS1 LS2 LS3 LS4 LS6 LS7 L99 LS4 LS9 LSA LQ4 LQ9 L76 L92.
  • 【Function】The front & rear cover and oil pan alignment tool set mimics the balancer and oil pan to provide critical alignment of the oil pan and front cover, designed to be used in conjunction with the front cover alignment tool.
  • 【Excellent Qualtiy】Made from billet aluminum & quality steel.great strength, prevent corrosion and rust, impact resistance, tight tolerances for perfect alignment, ensures long term reliable service.
  • 【Easy To Use】This front and rear cover billet alignment tool kit helps easily align the front and rear engine covers to make sure the cover is centered, allows you properly install the seal to avoid leaks. For LS engines, the oil pan is a pressurized component that increases blocking rigidity. For this reason, it cannot simply be fixed in place, so you need to carefully install the cap on the oil pan.
  • 【Package】1 Oil Pan Front Cover Alignment Tool 1 Front Cover Billet Alignment Tool 1 Rear Cover Billet Alignment Tool 4 Nuts.
SaleBestseller No. 10
3164780 Crankshaft Rear Main Seal & Wear Sleeve Installer & Remover Tool for Cummins ISX QSX ISX15 ISX12 Alternative to OEM 3164780
  • Fitment: Works on Cummins Signature, ISX, QSX, ISX12 and ISX15 Diesel Truck Engine. It will fit the newest Cummins seal perfectly.
  • Function: Specifically designed to install and remove the crankshaft rear seal & wear sleeve without damaging the seal and leakage.
  • Direct Replacement: A high-quality aftermarket alternative to Cummins Part # 3164780 and 3162994. (Replace multiple seals including 4965569.)
  • Superior Material: Made form high standard carbon steel with black finish for great durability and strength, resistance to corrosion, providing a long-term service.
  • 100% Satisfaction Guarantee: Yoursme aims to provide the best service for our customer, if you're not 100% satisfied with our item, simply return it for a full refund in 30 days, no questions asked money back guarantee with 12 months’ warranty.


How Do You Buy The Best Rear Main Seal Tool?


Do you get stressed out thinking about shopping for a great Rear Main Seal Tool? Do doubts keep creeping into your mind? We understand because we’ve already gone through the whole process of researching Rear Main Seal Tool, which is why we have assembled a comprehensive list of the greatest Rear Main Seal Tool available in the current market. We’ve also come up with a list of questions that you probably have yourself.


We’ve done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for Rear Main Seal Tool that you consider buying. Your questions might include the following:

  • Is it worth buying an Rear Main Seal Tool?
  • What benefits are there with buying an Rear Main Seal Tool?
  • What factors deserve consideration when shopping for an effective Rear Main Seal Tool?
  • Why is it crucial to invest in any Rear Main Seal Tool, much less the best one?
  • Which Rear Main Seal Tool are good in the current market?
  • Where can you find information like this about Rear Main Seal Tool?

We’re convinced that you likely have far more questions than just these regarding Rear Main Seal Tool, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.


Potential sources can include buying guides for Rear Main Seal Tool, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best possible Rear Main Seal Tool. Make sure that you are only using trustworthy and credible websites and sources.


We provide an Rear Main Seal Tool buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available Rear Main Seal Tool currently available on the market.


This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:


  1. Brand Value: Every brand of Rear Main Seal Tool has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an Rear Main Seal Tool?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: his simply is how much bang for the buck you get from your Rear Main Seal Tool.
  5. Customer Ratings: Number ratings grade Rear Main Seal Tool objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Rear Main Seal Tool.
  7. Product Quality: You don’t always get what you pay for with an Rear Main Seal Tool, sometimes less, and sometimes more.
  8. Product Reliability: ow sturdy and durable an Rear Main Seal Tool is should be an indication of how long it will work out for you. .

We always remember that maintaining Rear Main Seal Tool information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.


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