Installation Components and Supply Scope
This accessory package provides installation components for a compatible four-cylinder CNG sequential injection system. The ECU and injector rail are not included. Select the associated controller and injectors separately.
The package offers configurable valve, gauge, filter and hose options. The CNG cylinder is optional. Confirm the selected models, quantities and included components on the quotation before ordering.
Component Options
The references below identify component choices rather than a universal installation specification. Each selected part must match the vehicle, controller, operating conditions and applicable installation requirements.
| Component | Reference or Selection Detail |
|---|---|
| Gas tubing | Listed length 6m and size 6mm; confirm diameter definition, wall thickness, material and documented CNG pressure rating |
| Pressure gauge | CB08 or 201C references; confirm 5V or 12V supply, signal characteristics and controller compatibility |
| Fuel switch | K722 or 725 reference; match the controller interface and wiring |
| Filling valve | QF-T1H6, CTF-10, T2H, T2H-1, QF-T1H9, QF-T3H or TES reference; confirm exact model and connection |
| CNG cylinder | Optional 30L, 40L, 60L, 90L or 120L nominal water-capacity options; confirm model availability and documentation |
| Filter | F-01, F-02 or F-03 reference, with a listed 12×12mm connection description; confirm dimensions and service rating |
| Relay | Listed 5V or 12V options; select coil voltage and contact rating from the wiring requirements |
| Rubber cap and belt | Rubber cap and listed 2.5m belt; confirm function, dimensions and suitability for the selected installation |
| Hose assortment | Coolant, vacuum, injector and low-pressure gas lines, plus bellows; see dimensional references below |
| Accessory bag | CNG sequential installation hardware; confirm the itemized contents and quantities |
| ECU and injector rail | Not included |
| Reducer | Confirm the required model and whether it is included in the quoted package |
Hose and Bellows Dimensional References
The listed dimension sequences require confirmation before fitting selection. All values below are in millimeters. Request a drawing or specification identifying inside diameter, outside diameter and length where applicable.
| Line Type | Listed Dimensions |
|---|---|
| Coolant hose | 7.5×14×1500mm |
| Vacuum hose | 4×9×1500mm |
| Injector hose | 5×11×1200mm |
| Low-pressure gas hose | 10×16×800mm |
| Bellows | 34.5×650mm |
Each hose must suit its own medium and operating conditions. Confirm material compatibility, pressure rating, temperature range and connection method separately. Browse our hoses and installation accessories for related products.
Factory and Processing Image

How Do You Match the Package to a Vehicle?
The intended application is a compatible four-cylinder gasoline port-injection vehicle using a separately specified sequential gas system. Provide the engine code, selected ECU, injectors and installation layout before choosing the accessories.
Electrical components: Match switch, gauge and relay specifications to the controller and wiring diagram.
Gas connections: Match tubing, valves, fittings and seals to the documented CNG service conditions.
Reducer: Confirm fuel compatibility, engine-demand suitability, connections and control-system requirements.
Cylinder: Check dimensions, weight, mounting arrangement, valve compatibility and required approval documents.
Installation hardware: Confirm quantities and vehicle-specific mounting requirements.
Tubing materials are not interchangeable solely because their diameters match. Specify a documented material grade, wall thickness and connection system for the intended CNG application.
Frequently Asked Questions
Is this a complete conversion kit?
No. The ECU and injector rail are excluded. Other items, including the reducer and optional cylinder, must be confirmed on the itemized quotation. Read our conversion kit component guide to identify the complete system requirements.
Can I choose a different cylinder capacity?
The listed options are 30L, 40L, 60L, 90L and 120L nominal water capacity. These values do not directly state the amount of usable gas or driving range. Confirm the available cylinder model, installation space and mounting requirements.
Are 5V and 12V gauges interchangeable?
No interchangeability should be assumed. Match the supply voltage, signal output and controller input requirements for the selected gauge.
Can I change the filling valve or filter model?
Alternative models require a specification check. Confirm the fuel service, pressure rating, connection dimensions and required functions before substituting a component.
Can I order the package without a cylinder?
The cylinder is listed as optional. State whether a cylinder is required and request a quotation clearly identifying the included components.
Installation and Verification
Installation requires qualified personnel and instructions for the selected components. Verify mounting, routing, electrical connections and gas fittings before completing the required functional and leak checks.
Inspection requirements differ by component type. Request the relevant electrical, dimensional and pressure-related records for the selected parts rather than treating the entire accessory package as one pressure-rated assembly.
The separately supplied ECU and injectors require system calibration. Review our ECU and injector calibration guide for related information.
Request an Itemized Configuration
Send the vehicle and required supply scope with your inquiry. Include the engine code, ECU and injector models, cylinder requirement, preferred component references and quantity. Contact us for a matched accessory list and quotation.


