243-3820 2433820 Display Module Monitor Panel for CAT C27 C32 966G 777D
243-3820 display module monitor panel for Caterpillar machines and C-series engines.
- Interchangeability: Replaces 243-3820 (2433820).
- Application: Fits for C7–C32B industrial, petroleum and locomotive engines, C280 marine engines, 966D–980G loaders, 777B–777D trucks, 621B–637D wheel tractors and D8R / D10R dozers.
- Check Your Monitor Part Number: Several CAT displays look alike; send the part number on your current monitor.
- Fitment Verified Before Dispatch: Send a photo of your monitor and machine nameplate — we confirm the match before shipping.
$1,199.00
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Bench-Tested - Every unit powered up and function-tested before dispatch.
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6-Month Warranty - From delivery, against defects in materials and workmanship.
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30-Day Returns - Unused items in original packaging. RMA required.
Product Details
This 243-3820 display module (monitor / message display panel) is an aftermarket replacement for Caterpillar part number 243-3820 (2433820). It is used on a wide range of Caterpillar machines and engines, including C7 to C32B industrial, petroleum and locomotive engines, C280 marine engines, 966D to 980G wheel loaders, 777B to 777D trucks, 621B to 637D wheel tractors and D8R / D10N / D10R track-type tractors.
Every display is inspected and function-tested before dispatch: the unit is powered up, the screen and backlight are checked across the full display area, the keypad is exercised, and the connector and housing seal are inspected for damage. Units are packed in anti-static and padded packaging so the screen arrives undamaged.
- Reference Numbers: 243-3820, 2433820
- Machine Platform: For Caterpillar machines and C-series industrial, petroleum, locomotive and marine engines (see Application Chart)
- Installation: Direct replacement; mounts and plugs in like the unit being removed
- Fitment Check: We match your current monitor part number and machine nameplate before dispatch
- Testing: Every unit powered up and function-tested before dispatch, including screen, backlight and keypad
- Warranty: 6 months from delivery, with repair or replacement for defects in materials and workmanship
Send Us Your Current Monitor Part Number — We Verify Fitment Before It Ships
Caterpillar used several display modules that look alike, so we check yours before anything leaves our facility. Send us the part number and a photo of the monitor you are replacing together with your machine nameplate, and we confirm the match before dispatch. Our 1–3 business day dispatch window starts from the moment we receive this information, not from the order date. The sooner you send it, the sooner your display ships.
Please send the following after checkout:
- The part number on your current monitor or display module
- A clear photo of the current monitor, front and rear label
- A clear photo of the machine nameplate (VIN / PIN plate)
- Your engine model and serial number, for engine-mounted displays
Installation Notes: Fitting the display is straightforward, but disconnect the battery before unplugging the old monitor, support the panel while releasing the bracket so the screen is not strained, and check the connector behind the module for corrosion or bent pins before plugging in. Clear any stored fault codes once the new display is powered up.
Fitment & OEM Interchange
OEM part numbers are listed for cross-reference only. They do not imply that this part was made by the equipment manufacturer. All brand names are used solely to identify compatibility.
| Part No. | Without Dash | Relationship | Engine Platform |
|---|---|---|---|
| 243-3820 | 2433820 | This listing | For Caterpillar machines and engines (see Application Chart) |
Application Chart — Compatible with Caterpillar Equipment
| Equipment Type | Models |
|---|---|
| Industrial Engine | C7, C9, C13, C15, C27, C32, C32B |
| Petroleum Engine | 3126B, 3412E, C-15, C9, C11, C13, C18, C27, C32 |
| Engine | C27 Industrial, C32 Industrial, C32B, C32B Industrial |
| Marine Engine | C280-6, C280-8, C280-12, C280-16 |
| Locomotive Engine | C27, C32, C32B |
| Petroleum Package | CX31, CX31-C11I, CX31-C15I, CX35-P800 |
| Power Package | C7 |
| Wheel Loader | 966D, 966E, 966F, 966F II, 980C, 980F, 980G |
| Wheel Tractor | 621B, 621E, 621F, 623B, 623E, 623F, 627E, 627F, 631D, 633D, 637D |
| Truck | 777B, 777C, 777D |
| Track-Type Tractor | D8R, D10N, D10R |
| Wheel Scraper | 657E |
| Wheel Dozer | 824C |
| Soil Compactor | 815B, 825C |
| Landfill Compactor | 826C |
| Motor Grader | 140G |
| Excavator | M325C |
Confirm Before You Order: Several Caterpillar display modules share the same housing and screen layout, so fitment is confirmed by the part number on the monitor you are replacing, not by machine model alone. Send us that part number with photos of the monitor and your machine nameplate, and we will confirm the match before you buy.
Technical Specifications
| Part Name | Display Module (Monitor / Message Display Panel) |
| Reference Numbers | 243-3820, 2433820 |
| Condition | New |
| Installation Method | Direct replacement |
| Programming | Not required — this display ships ready to install; we verify the part number match before dispatch |
| System Voltage | Application dependent, confirm on data plate |
| Housing Material | Application dependent, confirm on data plate |
| Connectors | Same layout as the 243-3820 monitor being replaced; compare with your current display |
| Circuit Protection | Application dependent, confirm on data plate |
| Testing | Function-tested before dispatch: powered up, screen, backlight and keypad checked |
| Warranty | 6 months from delivery against defects in materials and workmanship (repair or replacement) |
| Package Contents | 1 × Display Module |
This module is intended to restore factory-specified performance only. It does not alter, disable or remove any emission control function.
Common Failure Symptoms
| Symptom | What It Usually Points To |
|---|---|
| 966G or 777D display screen stays blank at key-on | No power or ground at the display, a blown fuse, or a failed module |
| Backlight is dim and the screen is only readable in shade | Backlight failure inside the display module |
| Screen flickers or resets while the machine is running | Loose connector or unstable supply voltage, or an internal display fault |
| Gauges read zero or freeze while the engine runs normally | Display has lost data link communication with the machine controllers |
| Rows of pixels or segments are missing from the screen | Failed display panel or a cracked internal ribbon connection |
| Buttons or keypad do not respond | Worn keypad contacts or a failed display module |
| Screen shows a communication or data link error message | Wiring or data link fault, or a failed display module |
| Moisture or condensation behind the screen | Seal failure and water intrusion that can corrode the board |
Check the Simple Causes First: Before replacing the display, check the fuse, battery voltage and ground, and unplug and inspect the connector behind the module for bent pins, corrosion or moisture. These cheaper faults cause many of the same symptoms.
Shipping & Quality Guarantee
- Bench-Tested: Every unit is powered up and function-tested before dispatch.
- Fast Dispatch: Dispatched in 1–3 business days. For this item, the window starts once we receive your current monitor part number and machine nameplate photo.
- Free Express Shipping: Delivered in 3–8 business days by DHL, FedEx or UPS.
- Tracking: Tracking number provided within 24–48 hours of dispatch.
- Protective Packaging: Anti-static bag and padded carton.
- 6-Month Warranty: From delivery, against defects in materials and workmanship.
- 30-Day Returns: Unused items in original packaging; an RMA number is required.
- Technical Support: Send photos of your current monitor and machine nameplate and our team will confirm the match.
Shipping & Customs Notice
Our price covers the product and shipping only. Import duties, VAT, GST and any other local taxes or customs clearance fees are not included and are the buyer’s responsibility.
All trademarks and part numbers are used for compatibility reference only. LIUCHUANG Parts is an independent aftermarket parts supplier and has no official or authorized relationship with any equipment manufacturer.
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