Grand General 81310 – G5K Marker & Clearance Cab Light

Grand General 81310 – G5K Marker & Clearance Cab Light
The Grand General 81310 G5K Marker & Clearance Cab Light is a classic-style cab roof light designed for heavy-duty trucks. Built using the traditional G5K footprint, it provides reliable marker and clearance lighting through a durable incandescent setup featuring a No. 912 bulb.

This model features a chrome plastic housing paired with a G5K-style lens, giving your truck a clean, bright, OEM-style look. It is ideal for replacing existing G5K cab lights or completing a custom installation.

Key Features:

• Grand General G5K marker & clearance cab light
• Includes No. 912 incandescent bulb (12V, 0.27A)
• Classic G5K footprint and styling
• Chrome plastic housing with durable lens
• Highly visible marker & clearance function
• Compatible with many aftermarket and OEM-style G5K installations
• Sold individually

Dimensions:

• Approx. 10-1/2" L × 3-7/8" W × 2-5/8" H

Applications:

• Semi-truck cab roof marker & clearance lighting
• Replacement for existing G5K cab lights
• Custom cab lighting setups

Fitment Notes:

• Uses the standard G5K mounting footprint
• Designed for flat cab roof surfaces
• Wire directly into 12V marker/clearance circuit

Common Questions:

Q: Is this LED?
A: No, this is an incandescent cab light using a No. 912 bulb.

Q: Will this fit my truck?
If your truck uses G5K-style cab lights (same shape and approximate size), this is typically a direct replacement. Always check measurements to confirm.

Q: Does it include the bulb?
Yes — it uses a 912 bulb, and the light assembly typically includes one pre-installed.

Specifications:

• Brand: Grand General
• Part Number: 81310
• Series: G5K Cab Light
• Function: Marker & clearance
• Voltage: 12V
• Bulb Type: No. 912 incandescent
• Housing: Chrome plastic
• Lens: G5K-style lens
• Sold: Each

California Proposition 65 Warning:
⚠️ WARNING: This product may expose you to chemicals known to the State of California to cause cancer or reproductive harm. For more information, visit www.P65Warnings.ca.gov.