Best Automotive Replacement Engine Valve Seals in 2026

Daisy
Last Updated: Jul 18, 2026

At a Glance: Our Top Picks for Automotive Replacement Engine Valve Seals

BOXI Valve Cover w/Gasket & Spark Plug Tube Seals Fits Front/Left Bank Of 3.5L Engine 2002-2004 Infinit-i I35 02-06 Niss-an A-ltima 02-08 M-axima 03-07 M-urano 04-09 Q-uest (Replaces:13264-8J113)
#TOP1
Boxi Valve Cover W/Gasket & Spark Plug Tube
7.8
PM SCORE
Valve Cover Seal,Throttle Body Valve Cover Seal 5413874 Compatible with Polaris Ranger 800,RZR 800
#TOP2
Valve Cover Seal,Throttle Body Valve Cover Seal 5413874
5.2
PM SCORE
Valve Cover Spark Plug Tube Seal Set compatible with Nissan Frontier 4.0L V6 2005-2016
#TOP3
Valve Cover Spark Plug Tube Seal Set Compatible
4.1
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 Automotive Replacement Engine Valve Seals of 2026

#TOP1

Boxi Valve Cover W/Gasket & Spark Plug Tube Seals Fits Front/Left Bank Of 3.5L Engine 2002-2004 Infinit-I I35 02-06 Niss-An A-Ltima 02-08 M-Axima 03-07 M-Urano 04-09 Q-Uest (Replaces:13264-8J113)

BOXI
BX00600002-1
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
BOXI Auto Parts 9.93

Features

Compatible with 2002-2004 for Infiniti I35 / 2002-2006 for Nissan Altima w/3.5L / 2002-2008 for Nissan Maxima w/3.5L / 2003-2007 for Nissan Murano w/3.5L / 2004-2009 for Nissan Quest w/3.5L

Replaces number: 13264-8J113, 13264-ZA30A, 13264-7Y010, 132648J133, 264-985

Note: Fits Front/Left Bank Of 3.5L Engine

1-Year Limited Warranty

IMPORTANT NOTE-Please check the description or use the year / make / model drop down bar and interchangeable part numbers to confirm the compatibility before purchasing. If you don't make sure whether this item fit your vehicles, please message us.

#TOP2

Valve Cover Seal,Throttle Body Valve Cover Seal 5413874 Compatible With Polaris Ranger 800,Rzr 800

AIB2C
5413874
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Small Fish 9.85

Features

Aftermarket engine valve cover gasket,direct replacement for Polaris models

High quality material for good durability & long service life

Fix your oil leak problem on your Ranger valve cover

Manufactured to meet the specifications & function of your original one

Compatible with Polaris Ranger 800 2011-2016;Ranger Crew 800 2011-2014;Ranger XP 800 2014;RZR 4 800 2012-2014;RZR 800 2011-2014;RZR S 800 2011-2014

#TOP3

Valve Cover Spark Plug Tube Seal Set Compatible With Nissan Frontier 4.0L V6 2005-2016

SIXITY AUTO
4115651759
9.00 X 6.50 X 0.47 Inches
0.23 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Sixity Auto 9.87

Features

This Spark Plug Tube Seal Set is compatible with Nissan Frontier 2016, 2015, 2014, 2013, 2012, 2011, 2010, 2009, 2008, 2007, 2006, 2005 4.0L V6 (Valve Cover)

Genuine Parts

Dorman 264-965 Engine Valve Cover For Select Models

DORMAN
264-965
19.73 X 4.76 X 3.31 Inches
2.88 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Direct replacement - this valve cover matches the original equipment part for fit and function

Durable construction - this valve cover is made of quality materials to withstand extreme temperatures to resist leaking

Cost-effective solution - offers original equipment performance at competitive price

Quality tested - this part has undergone try-on and material testing to ensure a quality fit and reliable service

Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool

Dorman 264-968 Engine Valve Cover Compatible With Select Buick / Cadillac / Chevrolet Models

DORMAN
264-968
17.50 X 11.40 X 3.50 Inches
1.00 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Direct replacement - made from injection molded polymer for superior fit and heat resistance, this valve cover matches the original equipment part for fit and function

Complete solution - this valve cover includes a new gasket and new bolts for a complete repair

Quality tested - this part has undergone try-on and material testing to ensure a quality fit and reliable service

Related repair - this valve cover often fails due to a faulty intake manifold; also replace manifold if it is missing PCV valve

Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool

Dorman 635-555 Timing Cover Kit Compatible With Select Models (Oe Fix)

DORMAN
635-555
25.00 X 24.00 X 6.00 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Yuma Liquidation 5.14

Features

Improved design - this timing cover has been redesigned to reduce cracks and leaks in the water outlet

Increases durability - timing cover is upgraded to aluminum to prevent future failure

Quality tested - this part has undergone try-on testing to ensure a quality fit

Quality engineering - designed in the United States and backed by decades of automotive aftermarket experience

Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool

Dorman 264-938 Passenger Side Engine Valve Cover Compatible With Select Models

DORMAN
264-938
20.48 X 10.83 X 4.93 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Direct replacement - the components in this valve cover kit are designed to match the fit and function of the original equipment on specified vehicles

Ideal solution - engineered to help protect the engine components and prevent oil leaks, this kit provides everything needed to replace a warped or damaged valve cover

Location-specific - includes a precision-manufactured valve cover for the right or firewall side of the engine, gasket, spark plug tube seals, and factory-style captive hardware for a complete repair

Trustworthy quality - backed by a team of product experts in the United States and more than a century of automotive experience

Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool

Dorman 264-969 Driver Side Engine Valve Cover Compatible With Select Models

DORMAN
264-969
19.88 X 3.54 X 4.92 Inches
0.02 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Direct replacement - this valve cover matches the original equipment part for fit and function

Durable construction - this valve cover is made of quality materials to withstand extreme temperatures to resist leaking

Cost-effective solution - offers original equipment performance at competitive price

Quality tested - this part has undergone try-on and material testing to ensure a quality fit and reliable service

Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool

Top 10 automotive replacement engine valve seals Brands on Amazon

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

Brand Count
Dorman 5
Aib2C 1
Boxi 1
Sixity Auto 1

Top 10 automotive replacement engine valve seals Brands Pie Chart


We've carried out a comprehensive analysis of 76 reviews on automotive replacement engine valve seals, using our selection criteria to identify the best options in the categories. Our findings reveal that most customers typically select automotive replacement engine valve seals priced around $63.49, with top brands including dorman, boxi, dnj, mahle, aramox, akozon and gm and betooll

Our team of expert editors reviewed these high-quality items and handpicked the top 8 automotive replacement engine valve seals for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the categories category. These include amazon.com, boxi auto parts, partsology, ferlei, riuty-y and best shop amz 1 and betooll .

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