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NGK 1239 Diesel Glow Plug
| Brand | NGK 1239 |
|---|---|
| Hex Size | 12 |
| Length | 2.32 |
| Material Type | Metal Type |
| Part Number | Y-207T |
| Seat Type | Flat |
| Stock Number | 1239 |
| System Voltage | 12 |
| Terminal Thread Size | M5 |
| Terminal Type | Threaded |
| Thread Diameter | 0.469 |
| Voltage | 11.00 |
| Product line | NGK Glow Plug |
| Fits | Volkswagen and Audi |
OE legacy. Built to original equipment standards for durability and performance.
Threaded terminal. Provides a secure electrical connection.
Flat seat design. Helps ensure proper sealing during installation.
Cross-references NGK 1239, 160 and 80010 for the same application. See all 6.
NGK Diesel Glow Plug 1239 Overview
The NGK Glow Plug 1239 is a 12-volt diesel glow plug built with a metal-type construction, threaded terminal, and flat seat design. It is engineered for diesel engine starting performance where reliable preheating is required, and it reflects NGK’s long OE manufacturing background in ignition components.
For buyers searching for an NGK glow plug 1239 replacement, Y-207T cross reference, or a diesel glow plug for diesel engine starting issues, this part is a direct-fit style service component for the specified application.
Key Features
- Brand: NGK
- Part number: 1239
- NGK reference number: Y-207T
- Diesel glow plug for 12V systems
- Metal type construction
- Threaded terminal type with M5 terminal thread size
- Flat seat design
- Hex size: 12 mm
- Thread diameter: 0.469 in
- Overall length: 2.32 in
Product Details
NGK Glow Plug 1239 is built for diesel applications that require dependable cylinder preheating during cold starts. The 11.00 voltage specification and 12-volt system rating make it a practical replacement choice when servicing diesel ignition hardware. NGK’s OE-focused manufacturing and North American distribution support consistent part identification and application matching for service work on diesel vehicles, including make/model searches such as Ford F-250 and Chevrolet Silverado diesel applications where this part number is specified.
This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.
What It Helps Address
- Hard starting in cold weather
- Extended cranking before the engine fires
- Uneven diesel preheating across cylinders
- Glow plug warning or service-related starting complaints
- Replacement of a worn or failed diesel glow plug
Installation Notes and Tips
Verify the terminal thread size, seat type, thread diameter, and overall length before installation. Confirm the vehicle’s diesel engine specification and match the application to the correct NGK 1239 / Y-207T part number. Use proper torque procedures and inspect the glow plug bore and electrical connection condition during service. For fitment-based searches, confirm the exact year, make, and model before ordering; this part is commonly searched for diesel truck and diesel car service where NGK glow plug 1239 is listed.
Quality Assurance
NGK is a long-established OE supplier and manufacturer of ignition components for domestic and import vehicles in North America. The brand’s OE manufacturing background and global production network support consistent part quality and application coverage for diesel service parts like this glow plug.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| No rows match your filter. | ||||