Best National Car Crankshaft Seals in 2026

Daisy
Last Updated: Jul 19, 2026

At a Glance: Our Top Picks for National Car Crankshaft Seals

National 9845 Crankshaft Seal
#TOP1
National 9845 Crankshaft Seal
8.8
PM SCORE
National 4250 Wheel Seal
#TOP2
National 4250 Wheel Seal
7.1
PM SCORE
National 710508 Differential Pinion Seal
#TOP3
National 710508 Differential Pinion Seal
6.9
PM SCORE

* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.

Summary of the Best National Car Crankshaft Seals of 2026

Market Overview
National Car Crankshaft Seals Reviewed
  • Reviews Analyzed: 418 Items
  • PM Avg. Rating: 5.0 / 10
23 Products Evaluated
  • Highest Price: $295.99
  • Lowest Price: $6.93
  • Avg. Price: $39.47
#TOP1

National 9845 Crankshaft Seal

NATIONAL
9845
2.80 X 0.70 X 2.80 Inches
0.02 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Leon Auto Broker 9.68

Features

Design type: spring loaded; multi-lip

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

Excellent high temperature capabilities

Compatible with wide range of fluids

Delivers quality and reliable performance for every type of repair

National 4250 Wheel Seal

NATIONAL
4250
4.00 X 0.80 X 4.00 Inches
0.05 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Design type: spring loaded; multi-lip

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

Good low temperature capability

Low swell in hydrocarbon fluids

Delivers quality and reliable performance for every type of repair

National 710508 Differential Pinion Seal

NATIONAL
710508
5.00 X 1.00 X 5.00 Inches
0.13 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Design type: spring loaded; multi-lip

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

Excellent high temperature capabilities

Compatible with wide range of fluids

Delivers quality and reliable performance for every type of repair

#TOP4

National 223750 Crankshaft Seal

NATIONAL
223750
2.80 X 0.70 X 2.80 Inches
0.09 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Design type: spring loaded; multi-lip

Temperature range: -20°F to 300°F / -29°C to 49°C

Resistance to EP lubricants

Low swell in hydrocarbon fluids

Delivers quality and reliable performance for every type of repair

Material: Polyacrylate

Design type: Spring loaded; multi-lip

Temperature range: Minus 20 degree Fahrenheit to 300 degree Fahrenheit

Compatible with most oils and EP lubricants at higher operating temperatures

High resistance to oxidation and ozone, and has low swell in hydrocarbon fluids

#TOP5

National 100470 Crankshaft Seal

NATIONAL
100470
3.25 X 0.88 X 3.25 Inches
0.08 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Design type: springless; single-lip

Temperature range: -100°F to 450°F; -73°C to 232°C

Resistant to hydrocarbon/oxygenate blends and provides superior performance

Provides excellent dry running capabilities, low coefficient of friction, and excellent resistance to chemicals

Delivers quality and reliable performance for every type of repair

Design type: springless; single-lip

Fit type: Vehicle Specific

National 710355 Crankshaft Seal

NATIONAL
710355
2.75 X 0.69 X 2.75 Inches
0.02 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Design type: spring loaded; multi-lip

Temperature range: -20°F to 300°F / -29°C to 49°C

Resistance to EP lubricants

Low swell in hydrocarbon fluids

Delivers quality and reliable performance for every type of repair

National 321460 Crankshaft Seal

NATIONAL
321460
2.75 X 0.69 X 2.75 Inches
0.02 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Design type: spring loaded; multi-lip

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

Good low temperature capability

Low swell in hydrocarbon fluids

Delivers quality and reliable performance for every type of repair

National 710472 Crankshaft Seal, Brown

NATIONAL
710472
3.25 X 0.88 X 3.25 Inches
0.10 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Low swell in hydrocarbon fluids

Design type: spring loaded; multi-lip

Provides good low temperature capability

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

Delivers quality and reliable performance for every type of repair

Low swell in hydrocarbon fluids

#TOP9

National Oil Seals National 224650 Crankshaft Seal

NATIONAL
224650
2.75 X 0.69 X 2.75 Inches
0.02 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Low swell in hydrocarbon fluids

Design type: spring loaded; multi-lip

Provides good low temperature capability

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

Delivers quality and reliable performance for every type of repair

3406 Diesel Front And Rear Crankshaft Seal Wear Sleeve Installer For Caterpillar Cat 3406 3408 C-15 Heavy Duty

BONBO
3406
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Bonbo LLC US 9.85

Features

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.

Used on Oil Seal Numbers – 142-5867, 142-5868, 2W1734, 336012 and 319-0785.

Satisfaction Guarantee – If you're not satisfied with this kit, simply return for a full refund in 30 days or get a replacement during 1 year warranty via our customer service. Put us to the test! Click on the "Add to Cart" button NOW and get this helpful product!

#TOP11

National 2692 Crankshaft Seal

NATIONAL
2692
3.25 X 0.88 X 3.25 Inches
0.02 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Design type: spring loaded; multi-lip

Temperature range: -20°F to 300°F / -29°C to 49°C

Resistance to EP lubricants

Low swell in hydrocarbon fluids

Delivers quality and reliable performance for every type of repair

#TOP12

National 710332 Crankshaft Seal

NATIONAL
710332
2.75 X 0.69 X 2.75 Inches
0.02 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Design type: spring loaded; multi-lip

Temperature range: -80°F to 350°F / -62°C to 176°C

Good dry heat resistance

Excellent low temperature capability

Delivers quality and reliable performance for every type of repair

#TOP13

National 710759 Crankshaft Seal

NATIONAL
710759
9.99 X 9.99 X 9.99 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Design type: spring loaded; multi-lip

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

Excellent high temperature capabilities

Compatible with wide range of fluids

Delivers quality and reliable performance for every type of repair

Yoursme 3162992 Front Crankshaft Seal Remover & Installer Tool For Cummins Signature Isx Qsx Diesel Truck Engine Replace Oem 3162992, M20146

YOURSME
CQGJ
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
YOURSME 9.86

Features

APPLICATION: Front Crankshaft Seal Remover and Installer Kit, fit for Cummins Signature, ISX & QSX Diesel Truck Engine. (Notice: Not work on ISX12 or ISX15, for those you will need 4918991)

FUNCTION: Used to remove and install front crankshaft seal without damage. Works on the dual overhead cam engines.

REPLACE TO: Alternative to OEM 3162992, a direct replacement, compatible with cummins # 3162992.

INCLUDE: 3162993, 8 x ST-170-C, 3163056, 3 x 3033627, 3 x 3896790, and 8 x 3279794. High quality aluminum with durable.

SATISFIED GUARANTEE: Aiming to give our customers the best products and services, we provide friendly 1-year’s warranty support and easy-to-reach Customer Service to make sure your investment!

#TOP15

National 710767 Crankshaft Seal

NATIONAL
710767
5.00 X 1.00 X 0.10 Inches
0.14 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Design type: spring loaded; multi-lip

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

Excellent high temperature capabilities

Compatible with wide range of fluids

Delivers quality and reliable performance for every type of repair

#TOP16

National 3393 Crankshaft Seal

NATIONAL
3393
3.25 X 0.88 X 3.25 Inches
0.17 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Leon Auto Broker 9.68

Features

Design type: spring loaded; multi-lip

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

Excellent high temperature capabilities

Compatible with wide range of fluids

Delivers quality and reliable performance for every type of repair

#TOP17

National 710447 Crankshaft Seal

NATIONAL
710447
3.25 X 0.88 X 0.10 Inches
0.05 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Design type: spring loaded; multi-lip

Temperature range: -20°F to 300°F / -29°C to 49°C

Resistance to EP lubricants

Low swell in hydrocarbon fluids

Delivers quality and reliable performance for every type of repair

National 710834 Crankshaft Seal

NATIONAL
710834
2.75 X 0.69 X 0.10 Inches
0.01 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Design type: spring loaded; multi-lip

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

Excellent high temperature capabilities

Compatible with wide range of fluids

Delivers quality and reliable performance for every type of repair

#TOP19

National 710618 Crankshaft Seal

NATIONAL
710618
3.07 X 3.07 X 0.81 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Design type: spring loaded; multi-lip

Temperature range: -100°F to 450°F / -73°C to 232°

Excellent dry running capabilities

Low coefficient of friction

Delivers quality and reliable performance for every type of repair

Material: Polytetrafluoroethylene

Design type: Spring loaded; multi-lip

Temperature range: Minus 100 degree Fahrenheit to 450 degree Fahrenheit

Provides excellent dry running capabilities, low coefficient of friction, and excellent resistance to chemicals

Resistant to hydrocarbon/oxygenate blends and provides superior performance

#TOP20

3/4" Crankshaft With Oil Seal And Gasket For Honda 5.5Hp Gx200 For Predetor 196Cc 212Cc

JINGSAISHANGMAO
3/4“
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
ZhengZhouJingSaiWangLuoKeJiYouXianGongSi 6.47

Features

Fitment:Keyed Crankshaft 3/4 Inch 3/16 Inch Keyway

For Honda GX200,For Predator 212cc 196cc

Package Include:1 x crankshaft 2 x Oil Seal 1 x Gasket Set

Size: 3/4"

For Go Kart and mini bikes

#TOP21

National 710644 Crankshaft Seal

NATIONAL
710644
2.75 X 0.69 X 0.10 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Design type: spring loaded; multi-lip

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

Excellent high temperature capabilities

Compatible with wide range of fluids

Delivers quality and reliable performance for every type of repair

Material: Fluoroelastomer

Design type: Spring loaded; multi-lip

Temperature range: Minus 40 degree Fahrenheit to 400 degree Fahrenheit

Excellent high temperature capabilities and compatible within a wide range of fluids

Provides long life while providing superior performance

Uxcell Crankshaft Oil Seal, Gear Crank Case Oil Seal For Ms380 Ms381 Ms038 Chainsaws Replacement Parts

UXCELL
A22101700UX0912
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amadeo City 9.87

Features

[Size] - Total Size: 40mm x 17mm x 5mm/1.57" x 0.67" x 0.2"(OD*ID*T); Color: Silver Tone, Brown.

[Feature] - Durable and high hardness, it has good wear resistance and deformation resistance, and can be used for a long time.

[Application] - This oil seal is universal. A good replacement for the old one. Fit for MS380 MS381 MS038 chainsaws.

[Warm Tips] - Please according to the old and replace one size to make sure that our product is fit for you.

[What You Get] - 1Pcs x Crankshaft Oil Seal.

#TOP23

Hgv Tools/Compatible With Cummins 3824078 Rear Crankshaft Seal And Wear Sleeve Installer Tool Alt

HGV TOOLS
HGV 3824078
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
HGV TOOLS 5.40

Features

alternative 3824078 Rear Cranckshaft Seal and Wear Sleeve Installer Tool Alternative is used in a wide range of engines.

This repair tool compatible with PX-6, PX-8, 1989-2016 4BT 3.9L, ISC 8.3L, B Series 5.9L, ISB, ISL 5.9L 6.7L and QSB 5.9L 6.7L

Required to install crank seals on B & C series. Includes equivalent of 3163734, 3163628 and 3163741.

Made from high-quality materials with precision to aid our mechanic community.

High quality aftermarket tool

Part number: HGV 3824078

Top 10 car crankshaft seals national Brands on Amazon

Here is the list of top-rated brands that were evaluated by PM.

Brand Count
National 18
Bonbo 1
Hgv Tools 1
Jingsaishangmao 1
Uxcell 1
Yoursme 1

Top 10 car crankshaft seals national Brands Pie Chart


We've carried out a comprehensive analysis of 418 reviews on car crankshaft seals national, using our selection criteria to identify the best options in the automotive replacement parts. Our findings reveal that most customers typically select car crankshaft seals national priced around $39.47, with top brands including national, yoursme, hgv tools, uxcell and jingsaishangmao and bonbo

Our team of expert editors reviewed these high-quality items and handpicked the top 23 car crankshaft seals national for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the automotive replacement parts category. These include amazon.com, leon auto broker, yoursme, hgv tools, amadeo city and zhengzhoujingsaiwangluokejiyouxiangongsi and bonbo llc us .

We are dedicated to assisting our users in finding the right seals Products based on their needs, saving them considerable time when choosing which car crankshaft seals national to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.