Ignition Switch Lock Cylinder Assembly for Hyundai Sonata 2015-2019

In this review of the Ignition Switch Lock Cylinder Assembly for the Hyundai Sonata 2015-2019, the bottom line is simple: this replacement unit offers a near-factory fit and dependable function for owners needing to restore key start and anti-theft control. The reviewer found it well suited for DIY installation, with materials and corrosion-resistant metal parts that suggest a long service life. It is intended for Sonata owners who require a direct replacement for OEM numbers like 81905-C2510 and want straightforward engine start and electrical-position sensing.

Key Features

• Vehicle Fitment: Direct compatibility with Hyundai Sonata 2015-2019 means a precise fit that minimizes modification or adjustment during installation.
• OEM Replacement: Replaces multiple OEM numbers such as 81905-C2510 and 81900-C1B00, which simplifies sourcing the correct part for affected model years.
• Durable Construction: The housing uses lightweight, impact-resistant ABS plastic to resist everyday wear while keeping overall assembly weight low.
• Corrosion Resistance: Metal components are corrosion-resistant, extending service life and preserving reliable electrical contact and mechanical motion.
• Engine Start & Security: Designed to enable engine start and provide anti-theft protection by correctly sensing key position and locking functions.
• Electrical Control: Regulates vehicle electrical system inputs from the key position to protect battery and downstream components during operation.

Who It's For

This part is intended for Hyundai Sonata owners from model years 2015 through 2019 who need a like-for-like replacement for a failing ignition lock or cylinder and prefer a component that fits OEM mounting and electrical interfaces. It is especially appropriate for DIYers comfortable with basic steering-column disassembly and reconnecting ignition switch wiring.

Customers who need electronic immobilizer reprogramming or who prefer dealer installation for warranty or security programming should consider professional service instead, as some vehicles may still require key registration or additional programming beyond physical replacement.

Pros & Cons

Pros

• Appears and functions like a factory part, providing reliable starting and secure locking.
• Good fit for specified model years, reducing installation time and alignment issues.
• Durable materials and corrosion-resistant metal parts contribute to long service life.

Cons

• Some installations may require key programming or dealer assistance depending on vehicle security settings.

Specifications

Product Type	Ignition lock cylinder assembly
Vehicle Fitment	Hyundai Sonata 2015-2019
Replaces OEM	81905-C2510, 81900-C1B00, 81900-C1H00, 954301C500
Housing Material	Impact-resistant ABS plastic
Metal Components	Corrosion-resistant metal
Primary Function	Engine start and anti-theft protection

Our Verdict

This ignition switch lock cylinder assembly is a practical, cost-effective replacement for Hyundai Sonata 2015-2019 owners seeking a reliable, OEM-compatible unit. It delivers the essential functions of engine start, key-position sensing, and anti-theft protection with durable materials, making it good value for DIY installers and repair shops replacing worn or failed cylinders.

Frequently Asked Questions

Will this part fit my Sonata?
It fits Hyundai Sonata model years 2015 through 2019 and is listed to replace the OEM numbers shown; verify the OEM number on your existing unit to confirm match.

Does this require programming?
Physical replacement is straightforward, but some vehicles with immobilizer systems may require key registration or dealer programming after installation.

What materials is it made from?
The housing is impact-resistant ABS plastic and it uses corrosion-resistant metal for moving and contact components to improve longevity.