Precise Fitment Durable OEM Timing Chain Guide（ 243772F600）

24377-2F600 Timing Chain Guide | OEM-Spec Replacement for Hyundai & Kia 2.0 CRDi Diesel Engines

This timing chain guide is a critical engine timing component engineered to maintain precise chain alignment, reduce unwanted slack, and prevent timing skip, ensuring stable and reliable engine operation. Manufactured to strict Hyundai & Kia OEM specifications, it offers exact dimensional fit, exceptional wear resistance, and direct drop-in replacement — perfect for professional engine repair, timing system service, and aftermarket replacemen.

24377-2F600 Timing Chain Guide Product Overview

The 24377-2F600 Timing Chain Guide is an internal engine timing-system component designed for selected Hyundai and Kia diesel engine applications. Its official Hyundai/Kia catalog name is GUIDE-TIMING CHAIN, and the OE number is 24377-2F600 / 243772F600. 

The guide is installed alongside the engine timing chain and helps keep the chain correctly aligned while it travels between the crankshaft and camshaft sprockets. It provides a controlled sliding surface for the moving chain, reduces excessive lateral movement and vibration, and helps the timing-chain tensioner maintain stable chain tension.

This component is especially important because the timing system keeps the crankshaft and camshaft synchronized. Correct synchronization allows the engine's pistons and valves to operate at precisely controlled intervals.

The 24377-2F600 is commonly associated with Hyundai/Kia D4HA 2.0L CRDi and D4HB 2.2L CRDi diesel engines used in vehicles such as the Hyundai Tucson, ix35, Santa Fe and selected Kia Sportage, Sorento and Carnival applications.

Core Product Specifications

Hyundai/Kia parts catalogs identify the component as GUIDE-TIMING CHAIN and list a catalog weight of approximately 0.03–0.035 kg. Parts catalogs also cross-reference earlier numbers 24377-2F000 and 24377-2F001 with 24377-2F600. 

Specification Notice: Exact dimensions and polymer/material composition are not consistently published in Hyundai/Kia public parts catalogs. They should therefore not be presented as official specifications unless verified from the actual product or manufacturer drawing.

Product Features

Precise Timing Chain Guidance

The 24377-2F600 provides a controlled path for the timing chain as it moves around the crankshaft and camshaft sprockets. Correct guidance helps prevent excessive lateral chain movement.

Reduced Chain Vibration

During engine operation, the timing chain continuously accelerates and decelerates as engine speed changes. The guide helps control chain oscillation and vibration, contributing to quieter and more stable timing-system operation.

Supports Correct Chain Tension

The timing chain guide works together with the hydraulic or mechanical timing-chain tensioner. While the tensioner applies pressure, the guide provides the surface against which the chain is controlled.

Designed for Continuous Engine Operation

The guide operates continuously whenever the engine is running and must withstand repeated chain contact, engine temperature changes, vibration and exposure to engine oil.

OE-Reference Fitment

OE number 24377-2F600 is designed for specific Hyundai/Kia timing-system configurations. Correct OE matching helps ensure proper position relative to the timing chain, sprockets and tensioner.

Product Function

The primary function of the 24377-2F600 Timing Chain Guide is to control the movement of the engine timing chain and help maintain accurate crankshaft-to-camshaft synchronization.

The timing chain connects the crankshaft with the camshaft system.

Its operating relationship can be summarized as:

Crankshaft Rotation → Timing Chain → Camshaft Rotation → Valve Timing

The timing chain guide keeps this moving chain correctly positioned during engine operation.

It performs several important functions:

• Guides the timing chain along the correct path

• Controls excessive chain movement

• Helps maintain stable chain tension

• Reduces timing-chain vibration

• Helps reduce abnormal timing-system noise

• Reduces the risk of the chain contacting surrounding engine components

• Supports accurate camshaft and crankshaft synchronization

Although the guide itself does not create engine timing, it is essential for keeping the timing chain operating in the correct position.

Why Is the Timing Chain Guide Important?

The 24377-2F600 is a relatively small component, but its importance is much greater than its size suggests.

Modern diesel engines depend on extremely accurate synchronization between the crankshaft and camshafts.

The crankshaft controls piston movement, while the camshafts control when the intake and exhaust valves open and close.

The timing system must therefore maintain the correct relationship:

Piston Position ↔ Crankshaft Position ↔ Camshaft Position ↔ Valve Opening

The timing chain guide helps keep this system mechanically stable.

If the guide becomes severely worn or breaks, the chain can become loose or unstable. This can change valve timing and potentially cause serious engine damage.

For this reason, the timing chain guide should never be treated as an unimportant plastic rail. It is an essential supporting component of the complete engine timing system.

What Happens If the 24377-2F600 Timing Chain Guide Fails?

Failure of the timing chain guide can have effects ranging from abnormal engine noise to severe internal engine damage.

Timing Chain Rattle

A worn or damaged guide may allow the timing chain to move excessively.

The driver may hear:

• Metallic rattling

• Clicking

• Slapping noise

• Noise during cold start

• Noise from the timing-cover area

A brief cold-start rattle can also have other causes, including the chain tensioner or oil-pressure condition, so proper diagnosis is necessary.

Unstable Chain Tension

When the guide surface wears or breaks, the tensioner may no longer be able to control the timing chain correctly.

This can increase chain movement and accelerate wear of:

• Timing chain

• Chain tensioner

• Camshaft sprockets

• Crankshaft sprocket

• Other timing guides

Incorrect Valve Timing

Excessive chain movement may eventually allow timing to shift.

Possible symptoms include:

• Rough idle

• Difficult starting

• Reduced engine power

• Poor acceleration

• Increased fuel consumption

• Engine warning light

• Camshaft/crankshaft correlation faults

Timing Chain Jumping Teeth

This is one of the most serious consequences.

If chain control becomes sufficiently poor, the timing chain may jump one or more teeth on a sprocket.

This immediately changes the relationship between crankshaft position and camshaft position.

Potential Valve and Piston Damage

In an interference-type engine, severe timing loss can allow an open valve and moving piston to occupy the same space.

Possible damage can include:

• Bent valves

• Damaged valve guides

• Broken rocker components

• Damaged pistons

• Cylinder-head damage

• Camshaft-related damage

In severe cases, a relatively inexpensive timing guide failure can develop into a major engine repair.

Common Problems and Solutions

Timing Chain Guide Surface Wear

Symptoms

• Timing-chain noise

• Rattling from the timing cover

• Increased noise at startup

• Visible wear marks during engine inspection

Possible Cause

Continuous contact between the timing chain and guide gradually wears the guide surface. Poor lubrication, contaminated engine oil or excessive chain movement can accelerate wear.

Solution

Inspect the guide together with the timing chain and tensioner.

Replace the 24377-2F600 if the sliding surface shows excessive wear, grooves, cracking or deformation.

The timing chain should also be checked for elongation or abnormal wear.

Cracked or Broken Timing Chain Guide

Symptoms

• Sudden increase in timing-chain noise

• Chain slapping

• Timing faults

• Engine running irregularly

• Pieces of guide material inside the timing cover or oil pan

Possible Cause

Long-term heat cycling, mechanical stress, excessive timing-chain movement or tensioner problems can damage the guide structure.

Solution

Replace the damaged guide immediately.

Do not simply install a new guide without inspecting the:

• Timing chain

• Tensioner

• Other guides

• Crankshaft sprocket

• Camshaft sprockets

Fragments should also be removed from the engine to prevent contamination of the lubrication system.

Timing Chain Rattle During Cold Start

Symptoms

A rattling or slapping sound may be heard for several seconds immediately after starting the engine.

Possible Causes

Possible causes include:

• Worn timing chain guide

• Weak timing chain tensioner

• Timing chain elongation

• Slow engine oil-pressure buildup

• Incorrect engine oil

• Oil-system contamination

Solution

Inspect the complete timing system rather than automatically replacing only the guide.

Check engine oil condition and pressure, tensioner operation, chain wear and guide condition.

Excessive Timing Chain Movement

Symptoms

• Continuous rattling

• Irregular engine operation

• Timing-related diagnostic codes

• Poor throttle response

Possible Cause

The guide may be worn, but excessive movement can also result from a stretched chain or defective tensioner.

Solution

Inspect the entire chain drive.

When multiple timing components show significant wear, replacing the timing-chain system as a set may be more reliable than replacing only one component.

Engine Oil Contamination

Problem

Dirty or degraded engine oil can negatively affect the entire timing system.

The guide itself is mechanically contacted by the chain, while the tensioner and other components depend on proper lubrication and, in many designs, adequate oil pressure.

Solution

Use the correct engine oil specification and maintain proper oil-change intervals.

If the timing system has failed, inspect the lubrication circuit for debris before installing new components.

Incorrect Installation

Symptoms

• Abnormal timing noise immediately after repair

• Incorrect timing

• Chain rubbing

• Engine warning light

• Poor engine operation

Possible Cause

The guide, chain or tensioner may have been installed incorrectly, or timing marks may not have been properly aligned.

Solution

Recheck the complete timing-system installation according to the service procedure for the exact engine code.

Timing-chain service requires accurate crankshaft and camshaft alignment and should be performed by a qualified technician.

Effect of a Failed Timing Chain Guide on the Vehicle

A failed 24377-2F600 can affect the vehicle progressively:

Stage 1 – Guide Wear

Timing chain becomes noisier and chain control begins to deteriorate.

Stage 2 – Excessive Chain Movement

Rattling increases and the timing chain, tensioner and sprockets may experience accelerated wear.

Stage 3 – Timing Deviation

The engine may develop rough running, starting problems, reduced performance or timing-related fault codes.

Stage 4 – Chain Jumps a Tooth

Camshaft timing moves out of specification and engine operation may become severely unstable.

Stage 5 – Major Timing Failure

If timing becomes sufficiently incorrect, internal piston-to-valve contact may occur in applicable engines, potentially causing major cylinder-head or engine damage.

This is why abnormal timing-chain noise should not be ignored.

Typical Engine Applications

The 24377-2F600 is commonly associated with Hyundai/Kia R-series diesel engines, including:

Independent fitment catalogs specifically show 24377-2F600 on D4HA 2.0 CRDi applications such as the Hyundai ix35/Tucson and Kia Sportage. Other industry references associate the same OE number with both D4HA and D4HB applications. 

Typical Vehicle Applications

Published Hyundai Mobis and Hyundai/Kia catalog references associate 24377-2F600 with selected applications including:

Hyundai Mobis listings show applications including Tucson, Santa Fe, Maxcruz, Grandeur, G70, G80 and Palisade, while Hyundai/Kia parts references also identify selected Kia Sportage, Sorento and Carnival applications. 

Exact compatibility varies according to engine code, production year, market and VIN.

Installation Recommendations

Replacement of the 24377-2F600 requires access to the engine timing system and should normally be completed by a professional technician.

During replacement:

1. Confirm OE number 24377-2F600.

2. Verify the vehicle VIN and engine code.

3. Remove the timing cover according to the applicable repair procedure.

4. Inspect the timing chain for elongation and abnormal wear.

5. Inspect all timing-chain guides.

6. Inspect the timing-chain tensioner.

7. Check crankshaft and camshaft sprockets.

8. Remove any broken guide fragments.

9. Confirm correct crankshaft and camshaft timing positions.

10. Install the new guide correctly.

11. Re-establish the correct timing-chain tension.

12. Rotate the engine manually as required by the service procedure before startup.

13. Reassemble the timing cover using the specified sealing procedure.

14. Check engine oil level and condition.

15. Start the engine and verify that abnormal timing-chain noise is no longer present.

16. Scan for timing-related diagnostic trouble codes when necessary.

Important Replacement Recommendation

If the 24377-2F600 guide is badly worn or broken, replacing only the guide may not always be sufficient.

The technician should inspect the entire timing system, especially:

• Timing chain

• Timing chain tensioner

• Other timing chain guides

• Camshaft sprockets

• Crankshaft sprocket

• Oil supply to the tensioner

A worn chain or defective tensioner can quickly damage a newly installed guide.

For high-mileage engines showing several worn timing components, replacing the affected timing-system components together can provide a more reliable repair.

Fitment Notice

Do not select 24377-2F600 only by vehicle model or model year.

Always verify:

OE Number + VIN + Engine Code + Production Date

before ordering.

The same vehicle model can use different timing-system components depending on engine specification and production market.

Product Summary

The 24377-2F600 Timing Chain Guide is a critical internal timing-system component for selected Hyundai and Kia diesel engines, particularly D4HA 2.0L CRDi and D4HB 2.2L CRDi applications. Its job is to guide and stabilize the timing chain while supporting correct chain tension and accurate crankshaft-to-camshaft synchronization. 

A worn or broken timing chain guide can cause chain rattle, unstable timing, poor engine performance, timing-chain jumping and potentially serious internal engine damage. For this reason, the guide should be inspected together with the chain, tensioner and sprockets whenever timing-system noise or wear is detected.