Optronics A33GB Rectangular Light Mounting Grommet, Black PVC
Pickup available at Battelini Wrecker Sales
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Optronics A33GB Rectangular Light Mounting Grommet, Black PVC
The Optronics A33GB is a black PVC flush-mount grommet for Optronics 4" × 6" class rectangular lights, including the ST33, STL33, and BU33 series. It seals the light into the panel cutout, cushions it against vibration, and holds it in place without screws. The open back leaves room for the PL-3 plug and wiring. The light presses into the grommet and seats in its molded grooves. To replace a light, you pull it out of the grommet and press the new one in.
- Fits Optronics ST33, STL33, and BU33 series rectangular lights
- Flush mount, no fasteners
- Open back for plug and wire access
- Flexible black PVC absorbs vibration and seals the cutout
- Ribbed body grips the panel
Compatible lights we stock: Optronics STL33RBK LED Stop/Turn/Tail · Optronics BU33CRXLBP Back-Up Light
Condition: Surplus. Clean, appears unused.
| Brand | Optronics |
| MPN | A33GB |
| Type | Flush-mount light grommet |
| Shape | Rectangular |
| Material / color | PVC / black |
| Back | Open |
| Outside dimensions | 6-1/4" L × 4-3/8" W × 1-11/16" D |
| Panel cutout | 5.453" × 3.578", 1" corner radius (Optronics spec) |
| Fits | Optronics ST33, STL33, BU33 series |
| Origin | Taiwan |
| Condition | Surplus |
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Shipping & Returns
Shipping+
In-stock orders placed before 2PM ET ship the same business day from our New Jersey warehouse. Most ground orders arrive in 2–4 business days. Free ground shipping on orders over $200; expedited and freight options are quoted at checkout.
Returns+
Unused parts in original packaging can be returned within 30 days for a full refund, less return shipping. Defective items are covered under the 2-year limited warranty — call us and we'll handle the replacement directly.
Fitment Guarantee+
If we confirm a part fits your truck and it doesn't, return shipping is on us. Send a photo before you order and we'll verify it against your NRC model and serial range.