Cam Disc Cam Plate 096230-0190 is a cam plate used in a Denso VE-type rotary distributor injection pump. It is commonly referenced with stamping code 19 and Toyota reference number 22130-56350. The component is associated with Toyota 11B, 14B, and 14BT diesel engines used in applications such as the Toyota Dyna, Coaster, and ToyoAce.
Inside the injection pump, the cam plate works with the roller assembly to drive the injection plunger. Its cam profile influences plunger movement, injection timing, and fuel delivery. If an engine develops persistent power loss, difficult hot starting, unstable running, or signs of internal injection-pump wear, the cam plate and related components should be inspected.

1. What Is Cam Disc 096230-0190?
A cam disc, also known as a cam plate, is an important mechanical component inside a rotary distributor injection pump. It works with the roller assembly and injection plunger to convert the rotary movement of the pump shaft into the reciprocating movement needed to pressurize diesel fuel.
Cam Disc 096230-0190 belongs to the Denso VE-type cam plate family and carries the stamped marking 19. Its cam profile is designed to work with the corresponding injection-pump assembly used in compatible Toyota B-series diesel applications.
The cam plate does not operate independently. Its condition should be evaluated together with the rollers, plunger and barrel, distributor head, and other internal pump components when diagnosing injection-pump problems.
2. What Are the Technical Specifications of Cam Disc 096230-0190?
| Specification | Details |
|---|---|
| Part Name | Cam Plate / Cam Disc |
| Primary Part Number | 096230-0190 |
| Reference Numbers | 22130-56350 / 0962300190 / 2213056350 |
| Stamping Code | 19 |
| Compatible Pump Model | Denso VE4/12F1800RND464 |
| Pump Reference | 096000-4640 |
| Compatible Engines | Toyota 11B / 14B / 14BT |
| Approx. Weight | 0.1 kg |
Note: Part-number and application information should be confirmed against the injection-pump identification and original component before ordering. Reference numbers are provided for identification and compatibility purposes.
3. Which Injection Pumps and Engines Use Cam Disc 096230-0190?
Cam Disc 096230-0190 is associated with the Denso VE-type rotary distributor injection pump identified as VE4/12F1800RND464, with pump reference 096000-4640.
The main engine applications associated with this cam disc include:
- Toyota 11B diesel engine
- Toyota 14B diesel engine
- Toyota 14BT diesel engine
Common vehicle applications include Toyota commercial vehicles such as the Dyna, Coaster, and ToyoAce.
Toyota Coaster Applications
- BB23
- BB24
- BB32
- BB42
- BB60
Toyota Dyna Applications
- BU61
- BU65
- BU66
- BU67
- BU72
- BU73
- BU74
- BU76
- BU78
- BU84
- BU87
- BU88
- BU91
- BU94
- BU96
Toyota ToyoAce Applications
- BU61
- BU66
- BU67
- BU72
- BU73
- BU74
- BU78
- BU84
- BU87
- BU88
- BU91
- BU94
- BU96
Application coverage can vary according to engine version, injection-pump specification, and vehicle configuration. Before ordering Cam Disc 096230-0190, compare the pump number and original cam-disc marking whenever possible.
4. What Does Cam Disc 096230-0190 Do in the Injection Pump?
Cam Disc 096230-0190 plays a central role in the mechanical operation of the rotary distributor injection pump.
The basic operating relationship can be simplified as:
Pump Shaft → Cam Plate → Roller Assembly → Injection Plunger
As the pump shaft rotates, the cam profile moves against the roller assembly. The rollers transfer this movement to the injection plunger, causing the plunger to move and pressurize diesel fuel.
The cam profile influences several important aspects of pump operation:
- Plunger movement: The cam profile determines how the plunger is driven during the pumping cycle.
- Injection timing: The cam profile and its position within the pump affect when fuel pressure begins to build.
- Fuel delivery: Plunger movement and pump calibration influence the quantity of fuel delivered during the injection cycle.
- Pressure development: The shape of the cam profile affects how the plunger moves during the pumping stroke.
When the cam plate working surface becomes worn, pitted, scored, or otherwise damaged, the interaction between the cam plate and rollers can deteriorate. This may contribute to reduced fuel delivery, unstable engine operation, or loss of performance.

5. What Are the Common Failure Symptoms of Cam Disc 096230-0190?
A damaged cam plate does not always produce one unique symptom. Similar problems can also result from the plunger and barrel, rollers, distributor head, fuel supply system, or incorrect pump calibration.
However, the following symptoms can justify an inspection of Cam Disc 096230-0190 and the surrounding pump components.
1. Persistent Power Loss
If an engine continues to lack power after basic fuel-system and injection-timing checks, internal injection-pump wear should be considered.
A worn or damaged cam plate can affect plunger movement and fuel delivery, potentially reducing the amount of fuel the pump can deliver under load.
2. Difficult Hot Starting
Difficult starting when the engine is hot can occur when an injection pump has internal leakage or reduced pressure generation.
The cam plate should therefore be inspected together with the plunger, barrel, rollers, and other high-pressure components rather than being identified as the only possible cause.
3. Metal Debris in the Fuel System
Fine metallic particles or shiny debris discovered during injection-pump inspection can indicate internal wear.
Possible sources include the cam plate, rollers, plunger, or other internal pump components. If metal contamination is confirmed, the injection pump should be professionally inspected to determine the extent and source of the wear.
Replacing only the cam plate may not resolve the problem if other internal components have also been damaged.
4. Unstable Idle or Surging
Injection-pump wear can contribute to unstable idle, inconsistent fuel delivery, hesitation, or surging during acceleration.
Because several fuel-system problems can create similar symptoms, proper testing is recommended before replacing Cam Disc 096230-0190.
6. When Should Cam Disc 096230-0190 Be Repaired or Replaced?
Cam Disc 096230-0190 operates together with the roller assembly and injection plunger, so its condition should be evaluated whenever the rotary injection pump is being rebuilt or when internal wear is suspected.
If the cam plate is confirmed to be damaged, replacing the cam plate alone may not solve the underlying problem.
During an injection-pump overhaul, inspect the following components:
- Cam plate
- Roller assembly
- Injection plunger and barrel
- Distributor head
- Control components
- Internal sealing surfaces
- Fuel passages
The rollers are particularly important because they directly contact the cam plate. If they show excessive wear, scoring, or surface damage, they should be evaluated at the same time as the cam plate.
A new cam plate working against severely worn rollers may experience accelerated wear and may not provide the expected pump performance.
After major internal pump repairs, professional bench calibration is recommended. Proper calibration helps establish the required fuel delivery and injection timing before the pump is returned to service.
7. How Can You Maintain Cam Disc 096230-0190 for Longer Service Life?
Proper fuel-system maintenance can help reduce unnecessary wear on Cam Disc 096230-0190 and other precision injection-pump components.
Keep the Fuel System Clean
Clean diesel fuel and effective filtration help reduce the amount of abrasive contamination entering the injection pump.
Fuel filters should be replaced according to the engine or equipment manufacturer’s recommended maintenance schedule.
Prevent Fuel Contamination
Water, dirt, and other contaminants can contribute to wear inside precision diesel injection components.
If contaminated fuel is discovered, the fuel tank, fuel lines, filters, and injection system should be inspected before installing replacement pump components.
Inspect the Pump When Symptoms Appear
Unusual engine performance, difficult starting, unstable running, or suspected metal contamination can justify an injection-pump inspection.
Replacing the cam disc based only on symptoms may not address the actual problem. Testing the complete pump assembly helps identify whether the cam plate, rollers, plunger, or another component requires attention.
Calibrate the Pump After Major Repair
After replacing Cam Disc 096230-0190 or other major internal pump components, professional bench calibration is recommended.
Installation and road testing alone cannot reliably confirm whether the pump is delivering the required fuel quantity and injection timing.
Check Related Components
The cam plate, rollers, plunger and barrel, and distributor head work together inside the injection pump.
Inspecting these components as a complete system can help prevent premature wear of a newly installed cam disc.
8. Related Cam Disc Models and Guides
For more information about other Cam Disc models, refer to the related guides below for details on cam disc identification, injection pump and engine applications, compatibility, technical specifications, performance, and replacement selection.
- Cam Disc Cam Plate DE7 096230-0070 22130-54010 for TOYOTA 2L 2LT 3L
- Cam Disc Cam Plate 11 DE11 096230-0110 for Toyota Land Cruiser 70 1HZ 1HZ-T
- Cam Plate Cam Disc 34 096230-0340 for TOYOTA Coaster Land Cruiser 1HD-T
- Cam Plate Cam Disc 35 DE35 096230-0350 for TOYOTA Land Cruiser Prado 1KZ-T
Read more:
- Cam Disc 1466110658
- Cam Disc 146220-0720
- Cam Plate Cam Disc 39 096230-0390 for TOYOTA Land Cruiser 4.2L 1HDFT 1HDFTE
- Cam Plate Cam Disc DE47 096230-0470 for Mazda RF / Mazda 3 5 6 323 Bongo Titan
9. Frequently Asked Questions About Cam Disc 096230-0190
1. Is Cam Disc 096230-0190 the Same as 22130-56350?
These numbers are commonly referenced together for the same cam-disc application. 096230-0190 is the Denso part number, while 22130-56350 is a Toyota reference number.
For accurate identification, confirm the original injection-pump number and cam-disc marking before ordering.
2. Which Toyota Engines Use Cam Disc 096230-0190?
The main engine applications associated with this cam disc are Toyota 11B, 14B, and 14BT diesel engines.
It is also associated with Toyota Dyna, Coaster, and ToyoAce applications.
3. Can Cam Disc 096230-0190 Be Installed Without Rebuilding the Injection Pump?
It depends on the condition of the rest of the pump.
If the cam plate is damaged, the rollers, plunger and barrel, distributor head, and other internal components should also be inspected. A complete overhaul may be necessary when significant internal wear is present.
4. Does the Injection Pump Need Calibration After Replacing Cam Disc 096230-0190?
Yes. Professional bench calibration is recommended after major internal pump repair.
Changes to internal pump components can affect fuel delivery and injection timing, so the pump should be tested and adjusted before returning to service.
5. What Can Cause Cam Disc 096230-0190 to Wear?
Wear can result from normal service, contaminated fuel, inadequate filtration, damaged rollers, or other internal injection-pump problems.
When replacing a worn cam disc, identifying and correcting the underlying cause is important to help prevent premature wear of the replacement component.
6. How Can I Check Whether Cam Disc 096230-0190 Is Damaged?
The injection pump should be properly disassembled and the cam plate working surface inspected for abnormal wear, pitting, scoring, or other damage.
The rollers and plunger assembly should also be inspected because they directly interact with the cam plate.
Visible metal contamination can indicate internal wear, but it does not by itself identify which specific component is damaged.
7. Should the Rollers Be Replaced With Cam Disc 096230-0190?
The rollers should always be inspected when replacing the cam plate.
If they show excessive wear, scoring, or surface damage, the affected components should be evaluated together. Reusing severely worn rollers with a new cam plate can contribute to premature wear.
Conclusion
Cam Disc 096230-0190 is an important internal component of the Denso VE-type rotary distributor injection pump associated with Toyota 11B, 14B, and 14BT diesel applications.
The cam plate works directly with the roller assembly and injection plunger, influencing the mechanical pumping process, fuel delivery, and injection timing. When wear or damage is suspected, the cam plate should be evaluated together with the other internal injection-pump components.
For reliable repair results, confirm the pump and part-number application before ordering, inspect related components during replacement, and use professional bench calibration after major pump repairs.
Pioneer Diesel Parts supplies new aftermarket Cam Disc 096230-0190 and other diesel injection-pump components for repair and replacement applications.
For technical support, quotation, or part-number verification, provide the pump number, original part number, or required quantity.
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