Lower Engine Splash Guard 74110-TBA-A00 for Honda Civic - Durable

In this review of the lower engine splash guard 74110-TBA-A00 for Honda Civic, the bottom line is straightforward: this replacement underbody shield is aimed at owners of 2016-2021 Civic models who want an OEM-spec, rust-resistant way to protect the engine underside. The reviewer found the biggest reason to buy is the upgraded magnesium-aluminum construction that resists corrosion while remaining lightweight and thin enough to fit the chassis without adding bulk. Installation hardware is included, and the product generally lives up to OEM standards.

Key Features

• OEM standard construction: Built to meet or exceed OE specifications so it can be installed as a direct replacement for the factory part number 74110-TBA-A00.
• Magnesium-aluminum alloy: The material choice reduces the risk of rust over time while keeping the shield lightweight and thin for a close fit under the vehicle.
• Full compatibility: Designed to directly fit Honda Civic model years 2016 through 2021, replacing the original under car shield board.
• Installation kit included: Comes with six 90674-TY2-A01 pins, two 90105-TBA-A00 bolts, pin clips and gloves to simplify a DIY replacement in roughly 20 minutes.
• Protects critical components: Shields the bottom of the engine from road debris, gravel and splashes that can cause damage over time.
• Long service life: The upgraded quality aims to deliver durable protection and reduce the need for frequent replacements.

Who It's For

This underbody shield is best for Honda Civic owners from model years 2016 to 2021 who need a straightforward replacement for a worn or damaged factory splash guard and prefer a corrosion-resistant alloy part. It is especially useful for drivers who frequently encounter gravel roads or urban debris and want to protect engine components without adding weight to the car.

Owners who should look elsewhere include drivers with nonstandard chassis modifications or unclear fitment on certain 2018 variants, since some users reported mixed fit results; those customers should verify fitment against their VIN or consult a professional before purchase.

Pros & Cons

Pros

• Meets OE specifications so it can be used as a direct factory replacement.
• Magnesium-aluminum alloy construction resists rust and keeps weight low.
• Includes the necessary pins, bolts and clips for a one-stop DIY install.
• Thin profile fits close to the chassis and protects the engine from road debris.

Cons

• Fitment received mixed feedback from some customers, so confirm compatibility for specific 2018 models before installing.
• Alloy construction may feel less flexible than plastic alternatives, which could affect impact tolerance in extreme collisions.

Specifications

Part number replaced	74110-TBA-A00
Compatible models	Honda Civic 2016, 2017, 2018, 2019, 2020, 2021
Material	Magnesium-aluminum alloy
Included hardware	6 pins 90674-TY2-A01, 2 bolts 90105-TBA-A00, pin clips, gloves
Installation time	Approximately 20 min (DIY)
Standard	Manufactured to OE specifications

Our Verdict

The 74110-TBA-A00 lower engine splash guard is a practical, value-oriented replacement for Civic owners who want a rust-resistant, OEM-spec underbody shield. It offers durable protection and includes installation hardware, making it a good choice for DIYers and those who prioritize corrosion resistance; just double-check fitment for certain 2018 vehicles before purchase.

Frequently Asked Questions

Will this fit my Civic?
It is designed for 2016-2021 Honda Civic models and replaces part number 74110-TBA-A00, but verify fitment for specific variants or 2018 models if your vehicle has uncommon chassis options.

What hardware is included?
The package includes six 90674-TY2-A01 pins, two 90105-TBA-A00 bolts, pin clips and a pair of gloves to aid installation.

How long does installation take?
A direct replacement can typically be completed in about 20 minutes with basic tools and the included fasteners.