1. Product Overview
The BOXI TK4041 Engine Timing Chain Kit is a comprehensive replacement solution designed to maintain precise engine timing. This kit includes essential components for the timing system, ensuring optimal engine performance and longevity. It is manufactured from premium materials and rigorously tested to meet or exceed OEM standards, providing stable performance and high reliability.

Figure 1: Overview of the BOXI TK4041 Engine Timing Chain Kit components.
Video 1: Official product video showcasing the BOXI Engine Timing Chain Kit for Honda Accord 03-07.
2. Compatibility
This timing chain kit is compatible with the following vehicle models:
- 2003-2007 Honda Accord 2.4L L4 Gas
- 2002-2009 Honda CR-V 2.4L L4 Gas
- 2003-2011 Honda Element 2.4L L4 Gas
Important Note: Please verify compatibility using the year, make, and model of your vehicle, and cross-reference with the interchangeable part numbers provided in the specifications section before purchasing or installing.
3. Package Contents
The BOXI TK4041 Engine Timing Chain Kit includes the following components:
- 1x Timing Chain (176 links)
- 1x Cam Sprocket (46 teeth - exhaust) (Note: Intake Cam Sprocket NOT included)
- 1x Crank Sprocket (23 teeth, 34 teeth)
- 1x Guide Rail (fixed - top)
- 1x Guide Rail (fixed rail)
- 1x Guide Rail (tensioner arm)
- 1x Tensioner
- 1x Oil Pump Chain (62 links)
- 1x Oil Pump Drive Sprocket (17 teeth)
- 1x Oil Pump Chain Guide
- 1x Oil Pump Chain Tensioner


Figure 2: Examples of included components: Guide Rail and Tensioner.


Figure 3: Examples of included components: Cam Sprocket and Crank Sprocket.
4. Installation
Installation of an engine timing chain kit is a complex procedure that requires specialized tools and automotive knowledge. Professional installation is strongly recommended. Incorrect installation can lead to severe engine damage.
This kit is designed as a direct replacement for original equipment manufacturer (OEM) parts. Ensure all components are correctly aligned and torqued according to your vehicle's service manual specifications.
5. Maintenance
Once installed, the timing chain kit is designed for long-term, maintenance-free operation under normal driving conditions. Regular engine oil changes and adherence to the vehicle manufacturer's recommended service schedule are crucial for the longevity of all engine components, including the timing chain system.
Periodically inspect for any unusual engine noises or performance issues that might indicate a problem with the timing system.
6. Troubleshooting
If you experience any of the following symptoms, it may indicate an issue with your engine's timing chain system, and replacement of the timing chain kit may be necessary:
- A rattling noise from the front of the engine.
- A noisy timing chain.
- A fault code related to timing in the Engine Control Unit (ECU).
- Any other issues related to the timing chain, tensioner, phaser, or guide.
Consult a qualified mechanic for diagnosis and repair if you encounter these symptoms.
7. Specifications
| Feature | Detail |
|---|---|
| Brand | BOXI |
| Model | Timing Chain Kit (TK4041) |
| Item Weight | 4.21 pounds |
| Package Dimensions | 12.09 x 6.02 x 2.24 inches |
| Manufacturer Part Number | BX03400007-11 |
| OEM Part Numbers | TK4041, TS21831, 13460-PNA-004, 14210-PNA-000, 14540-PRB-A01, 13620-RAA-A02, 13441-PNA-004, 13450-RAA-A02, 14401-R40-A01, 14510-RAA-A01, 14510-PNA-003, 14511-PNA-003, 14520-RAA-A01, 14530-RZA-A01, 14540-RAA-A02 |
8. Warranty & Support
This BOXI Timing Chain Kit comes with a 1-year warranty.
For any questions regarding compatibility or product issues, please contact BOXI customer support. Ensure you have your vehicle's year, make, and model readily available for assistance.