Engine Motor Mount Compatible with 2003-2014 Cadillac CTS SRX STS - OE

In this review of the Engine Motor Mount compatible with 2003-2014 Cadillac CTS, SRX and STS (OE A5455HY) the bottom line is simple: this is a straightforward replacement part for owners seeking an OE-style mount that restores engine stability and reduces vibration. The reviewer found it best for DIY mechanics or repair shops needing a direct-fit part that matches the original OE number. The review focuses on fitment, material durability and the important reminder to confirm part numbers before purchase so the mount matches the vehicle exactly.

Key Features

• Fitment: Covers a wide range of model years for Cadillac CTS, SRX and STS so buyers can expect broad compatibility when the part number matches.
• OE Number: Labeled as OE A5455HY, which helps ensure the mount aligns with factory specifications when used as a direct replacement.
• Durability: Constructed from high-quality materials with testing for heat and wear resistance, offering strength under typical engine conditions.
• Replacement Design: Engineered to match OE performance so cabin vibration transfer is controlled and occupant comfort is maintained.
• Installation Confidence: The part is intended as a like-for-like replacement, making it practical for mechanics familiar with Cadillac engine mounts.

Who It's For

This engine mount is best for Cadillac CTS owners from 2004-2009 and SRX owners from 2005-2011 as well as STS models that require the OE A5455HY replacement. It suits DIYers with moderate mechanical skill and repair shops that need a dependable OE-style mount for routine engine support replacement.

Those who should look elsewhere include owners who do not have the exact OE part number or who need a custom performance mount with altered stiffness characteristics; this product is intended to match factory vibration transfer rather than change engine behavior.

Pros & Cons

Pros

• Direct-fit compatibility for many Cadillac CTS, SRX and STS model years, simplifying part selection when numbers match.
• Built from materials tested for heat and wear resistance, suggesting reasonable longevity in normal driving conditions.
• Designed to match OE vibration transfer characteristics, helping maintain occupant comfort after replacement.

Cons

• Requires exact part number confirmation before purchase, which can be inconvenient for buyers uncertain about compatibility.

Specifications

Brand	SCITOO
OE Number	A5455HY
Compatible Models	Cadillac CTS, SRX, STS (specified years)
Model Years Covered	2003-2014 (varies by model)
Primary Function	Engine motor support / vibration control
Construction	High-quality materials with heat and wear resistance

Our Verdict

The SCITOO engine motor mount (OE A5455HY) is a practical, value-oriented replacement for Cadillac CTS, SRX and STS owners who need a like-for-like mount that restores engine stability and reduces cabin vibration. It is a sensible buy when the OE number matches, offering durable construction and straightforward fitment for routine engine mount replacement.

Frequently Asked Questions

Will this mount fit my Cadillac?
Check the OE number A5455HY against your existing part and confirm model year compatibility for CTS, SRX or STS before ordering.

Is this an OEM part?
The mount is described as matching the OE number A5455HY and is designed as a direct replacement to align with factory specifications.

Any installation notes?
Confirm exact part numbers and consult a mechanic if unsure; the seller also recommends messaging for compatibility help to avoid ordering the wrong item.