INA ZG0121 Engine Timing Chain Guide - Left

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INA ZG0121 Engine Timing Chain Guide - Left

Brand	INA ZG0121
Position	Left
Fits	Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Saab, and Saturn · 182 vehicles

OE quality and performance. Designed to meet or exceed original equipment standards.

Plastic construction. Uses OEM-grade PA66 and PA46 material for proper hardness.

Timing chain guide. Helps keep the chain properly guided in the valve train.

Cross-references 5520121100 for the same application. See all 1.

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Engine Timing Chain Guide for GM Applications

INA ZG0121 is an engine timing chain guide built for select GM and Saab vehicles with left-side fitment. It is engineered to meet or exceed OE quality and performance, with plastic material formulated to match OEM PA66 and PA46 grade requirements for hardness and durability.

Fits 2000-2017 Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Saab, and Saturn applications listed below, including Chevrolet Malibu, Equinox, and Cobalt platforms. The INA ZG0121 timing chain guide is a direct-fit service part for timing system repair on the left side.

Engine timing chain guide for left-side applications
INA part number ZG0121
OE-style material specification aligned with OEM PA66 and PA46 hardness targets
Designed for select Buick, Chevrolet, GMC, Pontiac, Saab, Saturn, and Oldsmobile models
Cross-reference: this part cross-references 5520121100 for the same application

Detailed Product Overview

This timing chain guide helps maintain proper chain routing and support within the engine valve train. It is a fitment-based replacement for vehicles such as the Chevrolet Malibu, Chevrolet Equinox, Buick Regal, and Saturn Vue, and it also covers earlier platforms including the Pontiac Grand Am, Chevrolet Cavalier, and Saab 9-3. Use INA ZG0121 when servicing the left-side timing chain guide on the confirmed applications.

What It Helps Address

Timing chain noise caused by worn guide surfaces
Chain misalignment from damaged or degraded guide material
Valve train service needs during timing component replacement
Left-side guide wear on high-mileage GM and Saab engines
Restoration of proper chain tracking in the timing system

Installation Notes and Tips

Verify engine code, model year, and left-side position before installation. Timing chain guide replacement is typically performed during timing system service, so inspect the chain, tensioner, and related wear components at the same time. Follow the vehicle service manual for torque values, timing alignment, and assembly sequence.

Quality Assurance

INA states that this guide is manufactured to meet or exceed OE quality and performance standards. The plastic construction is specified to match OEM PA66 and PA46 grade material and hardness requirements for the listed applications.

This part fits 182 vehicles

Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

Year	Make	Model	Liters	Cylinders	Position	Notes
2017	Buick	Regal	2.4L	L4	Left	INA Global Number 552 0121 100
2017	Buick	Verano	2.4L	L4	Left	INA Global Number 552 0121 100
2017	Chevrolet	Equinox	2.4L	L4	Left	INA Global Number 552 0121 100
2017	GMC	Terrain	2.4L	L4	Left	INA Global Number 552 0121 100
2016	Buick	LaCrosse	2.4L	L4	Left	INA Global Number 552 0121 100
2016	Buick	Regal	2.4L	L4	Left	INA Global Number 552 0121 100
2016	Buick	Verano	2.4L	L4	Left	INA Global Number 552 0121 100
2016	Buick	Verano	2.0L	L4	Left	INA Global Number 552 0121 100
2016	Chevrolet	Equinox	2.4L	L4	Left	INA Global Number 552 0121 100
2016	GMC	Terrain	2.4L	L4	Left	INA Global Number 552 0121 100
2015	Buick	LaCrosse	2.4L	L4	Left	INA Global Number 552 0121 100
2015	Buick	Regal	2.4L	L4	Left	INA Global Number 552 0121 100
2015	Buick	Verano	2.4L	L4	Left	INA Global Number 552 0121 100
2015	Buick	Verano	2.0L	L4	Left	INA Global Number 552 0121 100
2015	Chevrolet	Captiva Sport	2.4L	L4	Left	INA Global Number 552 0121 100
2015	Chevrolet	Equinox	2.4L	L4	Left	INA Global Number 552 0121 100
2015	GMC	Terrain	2.4L	L4	Left	INA Global Number 552 0121 100
2014	Buick	LaCrosse	2.4L	L4	Left	INA Global Number 552 0121 100
2014	Buick	Regal	2.4L	L4	Left	INA Global Number 552 0121 100
2014	Buick	Verano	2.0L	L4	Left	INA Global Number 552 0121 100
2014	Buick	Verano	2.4L	L4	Left	INA Global Number 552 0121 100
2014	Chevrolet	Captiva Sport	2.4L	L4	Left	INA Global Number 552 0121 100
2014	Chevrolet	Equinox	2.4L	L4	Left	INA Global Number 552 0121 100
2014	Chevrolet	Impala	2.4L	L4	Left	INA Global Number 552 0121 100
2014	Chevrolet	Malibu	2.4L	L4	Left	INA Global Number 552 0121 100
2014	GMC	Terrain	2.4L	L4	Left	INA Global Number 552 0121 100
2013	Buick	LaCrosse	2.4L	L4	Left	INA Global Number 552 0121 100
2013	Buick	Regal	2.4L	L4	Left	INA Global Number 552 0121 100
2013	Buick	Regal	2.0L	L4	Left	INA Global Number 552 0121 100
2013	Buick	Verano	2.4L	L4	Left	INA Global Number 552 0121 100
2013	Buick	Verano	2.0L	L4	Left	INA Global Number 552 0121 100
2013	Chevrolet	Captiva Sport	2.4L	L4	Left	INA Global Number 552 0121 100
2013	Chevrolet	Equinox	2.4L	L4	Left	INA Global Number 552 0121 100
2013	Chevrolet	Malibu	2.4L	L4	Left	INA Global Number 552 0121 100
2013	GMC	Terrain	2.4L	L4	Left	INA Global Number 552 0121 100
2012	Buick	LaCrosse	2.4L	L4	Left	INA Global Number 552 0121 100
2012	Buick	Regal	2.4L	L4	Left	INA Global Number 552 0121 100
2012	Buick	Regal	2.0L	L4	Left	INA Global Number 552 0121 100
2012	Buick	Verano	2.4L	L4	Left	INA Global Number 552 0121 100
2012	Chevrolet	Captiva Sport	2.4L	L4	Left	INA Global Number 552 0121 100
2012	Chevrolet	Equinox	2.4L	L4	Left	INA Global Number 552 0121 100
2012	Chevrolet	Malibu	2.4L	L4	Left	INA Global Number 552 0121 100
2012	GMC	Terrain	2.4L	L4	Left	INA Global Number 552 0121 100
2011	Buick	LaCrosse	2.4L	L4	Left	INA Global Number 552 0121 100
2011	Buick	Regal	2.4L	L4	Left	INA Global Number 552 0121 100
2011	Buick	Regal	2.0L	L4	Left	INA Global Number 552 0121 100
2011	Chevrolet	Captiva Sport	2.4L	L4	Left	INA Global Number 552 0121 100
2011	Chevrolet	Equinox	2.4L	L4	Left	INA Global Number 552 0121 100
2011	Chevrolet	HHR	2.2L	L4	Left	INA Global Number 552 0121 100
2011	Chevrolet	HHR	2.4L	L4	Left	INA Global Number 552 0121 100
2011	Chevrolet	Malibu	2.4L	L4	Left	INA Global Number 552 0121 100
2011	GMC	Terrain	2.4L	L4	Left	INA Global Number 552 0121 100
2011	Saab	9-3X	2.0L	L4	Left	INA Global Number 552 0121 100
2010	Buick	Allure	2.4L	L4	Left	INA Global Number 552 0121 100
2010	Buick	LaCrosse	2.4L	L4	Left	INA Global Number 552 0121 100
2010	Chevrolet	Captiva Sport	2.4L	L4	Left	INA Global Number 552 0121 100
2010	Chevrolet	Cobalt	2.0L	L4	Left	INA Global Number 552 0121 100
2010	Chevrolet	Cobalt	2.2L	L4	Left	INA Global Number 552 0121 100
2010	Chevrolet	Equinox	2.4L	L4	Left	INA Global Number 552 0121 100
2010	Chevrolet	HHR	2.2L	L4	Left	INA Global Number 552 0121 100
2010	Chevrolet	HHR	2.4L	L4	Left	INA Global Number 552 0121 100
2010	Chevrolet	HHR	2.0L	L4	Left	INA Global Number 552 0121 100
2010	Chevrolet	Malibu	2.4L	L4	Left	INA Global Number 552 0121 100
2010	GMC	Terrain	2.4L	L4	Left	INA Global Number 552 0121 100
2010	Pontiac	G5	2.2L	L4	Left	INA Global Number 552 0121 100
2010	Pontiac	G6	2.4L	L4	Left	INA Global Number 552 0121 100
2010	Saab	9-3	2.0L	L4	Left	INA Global Number 552 0121 100
2010	Saab	9-3X	2.0L	L4	Left	INA Global Number 552 0121 100
2010	Saturn	Sky	2.4L	L4	Left	INA Global Number 552 0121 100
2010	Saturn	Sky	2.0L	L4	Left	INA Global Number 552 0121 100
2010	Saturn	Vue	2.4L	L4	Left	INA Global Number 552 0121 100
2009	Chevrolet	Cobalt	2.0L	L4	Left	INA Global Number 552 0121 100
2009	Chevrolet	Cobalt	2.2L	L4	Left	INA Global Number 552 0121 100
2009	Chevrolet	HHR	2.0L	L4	Left	INA Global Number 552 0121 100
2009	Chevrolet	HHR	2.2L	L4	Left	INA Global Number 552 0121 100
2009	Chevrolet	HHR	2.4L	L4	Left	INA Global Number 552 0121 100
2009	Chevrolet	Malibu	2.4L	L4	Left	INA Global Number 552 0121 100
2009	Pontiac	G5	2.2L	L4	Left	INA Global Number 552 0121 100
2009	Pontiac	G6	2.4L	L4	Left	INA Global Number 552 0121 100
2009	Pontiac	Solstice	2.4L	L4	Left	INA Global Number 552 0121 100
2009	Pontiac	Solstice	2.0L	L4	Left	INA Global Number 552 0121 100
2009	Saab	9-3	2.0L	L4	Left	INA Global Number 552 0121 100
2009	Saturn	Aura	2.4L	L4	Left	INA Global Number 552 0121 100
2009	Saturn	Sky	2.0L	L4	Left	INA Global Number 552 0121 100
2009	Saturn	Sky	2.4L	L4	Left	INA Global Number 552 0121 100
2009	Saturn	Vue	2.4L	L4	Left	INA Global Number 552 0121 100
2008	Chevrolet	Cobalt	2.2L	L4	Left	INA Global Number 552 0121 100
2008	Chevrolet	Cobalt	2.0L	L4	Left	INA Global Number 552 0121 100
2008	Chevrolet	Cobalt	2.4L	L4	Left	INA Global Number 552 0121 100
2008	Chevrolet	HHR	2.4L	L4	Left	INA Global Number 552 0121 100
2008	Chevrolet	HHR	2.0L	L4	Left	INA Global Number 552 0121 100
2008	Chevrolet	HHR	2.2L	L4	Left	INA Global Number 552 0121 100
2008	Chevrolet	Malibu	2.4L	L4	Left	INA Global Number 552 0121 100
2008	Chevrolet	Malibu	2.2L	L4	Left	INA Global Number 552 0121 100
2008	Pontiac	G5	2.4L	L4	Left	INA Global Number 552 0121 100
2008	Pontiac	G5	2.2L	L4	Left	INA Global Number 552 0121 100
2008	Pontiac	G6	2.4L	L4	Left	INA Global Number 552 0121 100
2008	Pontiac	Solstice	2.4L	L4	Left	INA Global Number 552 0121 100
2008	Pontiac	Solstice	2.0L	L4	Left	INA Global Number 552 0121 100
2008	Saab	9-3	2.0L	L4	Left	INA Global Number 552 0121 100
2008	Saturn	Aura	2.4L	L4	Left	INA Global Number 552 0121 100
2008	Saturn	Sky	2.4L	L4	Left	INA Global Number 552 0121 100
2008	Saturn	Sky	2.0L	L4	Left	INA Global Number 552 0121 100
2008	Saturn	Vue	2.4L	L4	Left	INA Global Number 552 0121 100
2007	Chevrolet	Cobalt	2.4L	L4	Left	INA Global Number 552 0121 100
2007	Chevrolet	Cobalt	2.2L	L4	Left	INA Global Number 552 0121 100
2007	Chevrolet	Cobalt	2.0L	L4	Left	INA Global Number 552 0121 100
2007	Chevrolet	HHR	2.2L	L4	Left	INA Global Number 552 0121 100
2007	Chevrolet	HHR	2.4L	L4	Left	INA Global Number 552 0121 100
2007	Chevrolet	Malibu	2.2L	L4	Left	INA Global Number 552 0121 100
2007	Pontiac	G5	2.4L	L4	Left	INA Global Number 552 0121 100
2007	Pontiac	G5	2.2L	L4	Left	INA Global Number 552 0121 100
2007	Pontiac	G6	2.4L	L4	Left	INA Global Number 552 0121 100
2007	Pontiac	Solstice	2.0L	L4	Left	INA Global Number 552 0121 100
2007	Pontiac	Solstice	2.4L	L4	Left	INA Global Number 552 0121 100
2007	Saab	9-3	2.0L	L4	Left	INA Global Number 552 0121 100
2007	Saturn	Aura	2.4L	L4	Left	INA Global Number 552 0121 100
2007	Saturn	Ion	2.2L	L4	Left	INA Global Number 552 0121 100
2007	Saturn	Ion	2.0L	L4	Left	INA Global Number 552 0121 100
2007	Saturn	Sky	2.4L	L4	Left	INA Global Number 552 0121 100
2007	Saturn	Sky	2.0L	L4	Left	INA Global Number 552 0121 100
2007	Saturn	Vue	2.4L	L4	Left	INA Global Number 552 0121 100
2006	Chevrolet	Cobalt	2.2L	L4	Left	INA Global Number 552 0121 100
2006	Chevrolet	Cobalt	2.0L	L4	Left	INA Global Number 552 0121 100
2006	Chevrolet	Cobalt	2.4L	L4	Left	INA Global Number 552 0121 100
2006	Chevrolet	HHR	2.4L	L4	Left	INA Global Number 552 0121 100
2006	Chevrolet	HHR	2.2L	L4	Left	INA Global Number 552 0121 100
2006	Chevrolet	Malibu	2.2L	L4	Left	INA Global Number 552 0121 100
2006	Pontiac	G6	2.4L	L4	Left	INA Global Number 552 0121 100
2006	Pontiac	Pursuit	2.4L	L4	Left	INA Global Number 552 0121 100
2006	Pontiac	Pursuit	2.2L	L4	Left	INA Global Number 552 0121 100
2006	Pontiac	Solstice	2.4L	L4	Left	INA Global Number 552 0121 100
2006	Saab	9-3	2.0L	L4	Left	INA Global Number 552 0121 100
2006	Saturn	Ion	2.4L	L4	Left	INA Global Number 552 0121 100
2006	Saturn	Ion	2.0L	L4	Left	INA Global Number 552 0121 100
2006	Saturn	Ion	2.2L	L4	Left	INA Global Number 552 0121 100
2005	Chevrolet	Cavalier	2.2L	L4	Left	INA Global Number 552 0121 100
2005	Chevrolet	Classic	2.2L	L4	Left	INA Global Number 552 0121 100
2005	Chevrolet	Cobalt	2.2L	L4	Left	INA Global Number 552 0121 100
2005	Chevrolet	Cobalt	2.0L	L4	Left	INA Global Number 552 0121 100
2005	Chevrolet	Malibu	2.2L	L4	Left	INA Global Number 552 0121 100
2005	Pontiac	Grand Am	2.2L	L4	Left	INA Global Number 552 0121 100
2005	Pontiac	Pursuit	2.2L	L4	Left	INA Global Number 552 0121 100
2005	Pontiac	Sunfire	2.2L	L4	Left	INA Global Number 552 0121 100
2005	Saab	9-3	2.0L	L4	Left	INA Global Number 552 0121 100
2005	Saturn	Ion	2.2L	L4	Left	INA Global Number 552 0121 100
2005	Saturn	Ion	2.0L	L4	Left	INA Global Number 552 0121 100
2004	Chevrolet	Cavalier	2.2L	L4	Left	INA Global Number 552 0121 100
2004	Chevrolet	Classic	2.2L	L4	Left	INA Global Number 552 0121 100
2004	Chevrolet	Malibu	2.2L	L4	Left	INA Global Number 552 0121 100
2004	Oldsmobile	Alero	2.2L	L4	Left	INA Global Number 552 0121 100
2004	Pontiac	Grand Am	2.2L	L4	Left	INA Global Number 552 0121 100
2004	Pontiac	Sunfire	2.2L	L4	Left	INA Global Number 552 0121 100
2004	Saab	9-3	2.0L	L4	Left	INA Global Number 552 0121 100
2004	Saturn	Ion	2.0L	L4	Left	INA Global Number 552 0121 100
2004	Saturn	Ion	2.2L	L4	Left	INA Global Number 552 0121 100
2004	Saturn	L300	2.2L	L4	Left	INA Global Number 552 0121 100
2003	Chevrolet	Cavalier	2.2L	L4	Left	INA Global Number 552 0121 100
2003	Oldsmobile	Alero	2.2L	L4	Left	INA Global Number 552 0121 100
2003	Pontiac	Grand Am	2.2L	L4	Left	INA Global Number 552 0121 100
2003	Pontiac	Sunfire	2.2L	L4	Left	INA Global Number 552 0121 100
2003	Saab	9-3	2.0L	L4	Left	INA Global Number 552 0121 100
2003	Saturn	Ion	2.2L	L4	Left	INA Global Number 552 0121 100
2003	Saturn	L200	2.2L	L4	Left	INA Global Number 552 0121 100
2003	Saturn	LW200	2.2L	L4	Left	INA Global Number 552 0121 100
2002	Chevrolet	Astra	2.2L	L4	Left	INA Global Number 552 0121 100
2002	Chevrolet	Cavalier	2.2L	L4	Left	INA Global Number 552 0121 100
2002	Oldsmobile	Alero	2.2L	L4	Left	INA Global Number 552 0121 100
2002	Pontiac	Grand Am	2.2L	L4	Left	INA Global Number 552 0121 100
2002	Pontiac	Sunfire	2.2L	L4	Left	INA Global Number 552 0121 100
2002	Saab	9-3	2.0L	L4	Left	INA Global Number 552 0121 100
2002	Saturn	L100	2.2L	L4	Left	INA Global Number 552 0121 100
2002	Saturn	L200	2.2L	L4	Left	INA Global Number 552 0121 100
2002	Saturn	LW200	2.2L	L4	Left	INA Global Number 552 0121 100
2002	Saturn	Vue	2.2L	L4	Left	INA Global Number 552 0121 100
2001	Chevrolet	Astra	2.2L	L4	Left	INA Global Number 552 0121 100
2001	Saab	9-3	2.0L	L4	Left	INA Global Number 552 0121 100
2001	Saturn	L100	2.2L	L4	Left	INA Global Number 552 0121 100
2001	Saturn	L200	2.2L	L4	Left	INA Global Number 552 0121 100
2001	Saturn	LW200	2.2L	L4	Left	INA Global Number 552 0121 100
2000	Saturn	LS	2.2L	L4	Left	INA Global Number 552 0121 100
2000	Saturn	LS1	2.2L	L4	Left	INA Global Number 552 0121 100
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Directly replaces or cross-references 1 part number

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.

5520121100

INA ZG0121 Engine Timing Chain Guide - Left

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Engine Timing Chain Guide for GM Applications

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