DPCAM-6-2-DP
Cam-lock deck plate · 8 in outer
Quick-release cam design with covered fasteners and a gripper surface.
View this deck plateT-H Marine Deck Plates: Cam-Lock, Pry-Out & Screw-Out Sizes
Identify T-H Marine Boat Deck Plates by Size and Lid Style
The circular plate over a storage or service opening may be pry-out, screw-out, cam-lock or screw-down. These T-H Marine parts look similar at a glance, but use different closures and openings. Compare the exact manufacturer part number, outside diameter and listed inside opening before choosing a replacement.
First, identify how the lid opens
Cam-lock
DPCAM-6-2-DP uses a quick-release cam mechanism. Check the old frame and cam arrangement rather than selecting by the eight-inch outer size alone.
Pry-out
DPP-series lids use a notch for prying out the removable cover. Compare the inner opening, outer flange and seal before replacement.
Screw-out or screw-down
The DPS model has a screw-out removable lid and O-ring. The SDP model is a separate screw-fastened cover style without a listed O-ring.
Measure the complete existing frame and the usable opening independently. An eight-inch outside diameter does not mean the inner opening is eight inches. Similarly, an opening size is not automatically a manufacturer-approved deck cutout measurement.
Replacement tip: The measurements below describe the listed plate dimensions. Check the manufacturer's template and your original mounting hole, screw positions, backing structure and sealing arrangement before drilling or cutting. Do not assume that lids from two different families share the same frame.
Five T-H Marine deck plate MPNs compared
The two eight-inch-outer-diameter pry-out and cam-lock products have different usable inner openings. This is one reason the exact MPN is more dependable than exterior size by itself.
| Part number | Opening type | Listed inner | Outer size | Colour / finish | O-ring |
|---|---|---|---|---|---|
| DPCAM-6-2-DP | Cam-lock | 5-1/8 in | 8 in | Polar white · textured | O-ring |
| DPP-6-2-DP | Pry-out | 6 in | 8 in | Polar white · glossy | O-ring |
| DPP-8-2-DP | Pry-out | 8 in | 10 in | Polar white · glossy | O-ring |
| DPS-6-3-DP | Screw-out | 6 in | 8 in | Sand shell · textured | O-ring |
| SDP-3FW-DP | Screw-down | Not listed | 10 in | White · matte | No O-ring |
How the main sizes differ
DPCAM-6-2-DP: The cam-lock model has an 8-inch outside diameter but a 5-1/8-inch inside dimension. It has a textured polar-white finish, a gripper feature in the lid and an O-ring.
DPP-6-2-DP versus DPP-8-2-DP: Both use a pry-out closure with an O-ring, but the smaller plate is 8 inches outside with a 6-inch inner opening, while the larger one is 10 inches outside with an 8-inch inner opening.
DPS-6-3-DP: The sand-shell Sure-Seal screw-out model has an 8-inch outside size and 6-inch inside size. The screw-out lid is not equivalent to a pry-out cap merely because its listed diameters match.
SDP-3FW-DP: This 10-inch outside-diameter screw-down style has no listed O-ring. Its inside opening is not specified in the current product record, so do not use another 10-inch deck plate's dimensions as a substitute.
T-H Marine deck plates and matching product listings
DPP-6-2-DP
Pry-out deck plate · 8 in outer
Notched pry-out access, positive O-ring and overlapping lid.
View this deck plate
DPP-8-2-DP
Pry-out deck plate · 10 in outer
Larger pry-out opening with overlapping cover and O-ring seal.
View this deck plate
DPS-6-3-DP
Screw-out deck plate · 8 in outer
Sure-Seal screw-out cap with an overlapping lid and marine access design.
View this deck plate
SDP-3FW-DP
Screw-down deck plate · 10 in outer
A screw-fastened cover option rather than the removable threaded or pry-out designs.
View this deck plateCheck the deck opening before installation
Photograph the original lid and frame before removal. Record any markings, outside frame diameter, inner clearance, mounting screw spacing and the surrounding deck thickness. Inspect sealing surfaces and hardware. A deck plate used on an exposed surface may need additional sealing and drainage considerations compared with a sheltered access compartment.
For another marine access-plate family, see our Sea-Dog screw-out deck plate identification guide. For a different kind of deck hardware, browse our marine cleat sizes and mounting guide.
Frequently asked questions
Can I replace a cam-lock plate with a pry-out plate?
Not as a direct lid-for-lid swap without confirming the original frame and mounting opening. Closure designs, usable inner openings and installation requirements can differ.
Does a 10-inch deck plate have a 10-inch access opening?
No. The outer diameter includes the mounting frame. For example, DPP-8-2-DP has a 10-inch outside diameter and 8-inch inner opening.
Does every deck plate in this guide have an O-ring?
No. The listed cam-lock, pry-out and Sure-Seal screw-out examples have O-rings; SDP-3FW-DP is a screw-down style listed without an O-ring.
Can I view or collect a listed deck plate in Kelowna?
UsedRVParts offers viewing and pickup by appointment in Kelowna. Confirm the product and arrange an appointment before travelling.
Find the listed parts: DPCAM-6-2-DP · DPP-6-2-DP · DPP-8-2-DP · DPS-6-3-DP · SDP-3FW-DP
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