The Multiquip 3053303 Gear Case Cover is a genuine OEM component designed for MQ-D305 and D306 diaphragm pumps. Sourced directly from Multiquip, this cover is an exact match to the original part installed at the factory, ensuring a proper seal and fit without modification. It is confirmed compatible with the MQ-D305 and D306 pump models, making part selection straightforward for operators and service technicians alike. Keeping the gear case properly covered protects internal drive components from contamination and physical damage, preserving pump performance over the long term.
Key Features
- Genuine OEM Construction: — Manufactured to Multiquip's original design specifications, ensuring correct material thickness and dimensional accuracy for a secure, lasting fit on the gear case housing.
- Direct Bolt-On Replacement: — Matches original mounting hole patterns and mating surfaces on the gear case, allowing straightforward installation without rework or fitment issues.
- Confirmed Fitment: — Verified for use with MQ-D305 and D306 diaphragm pump models, eliminating guesswork when sourcing a replacement cover.
- Protects Internal Drive Components: — Shields the gear case internals from dirt, debris, and moisture ingress that can accelerate wear on gears, bearings, and drive shafts.
- Preserves Pump Efficiency: — A properly seated gear case cover maintains the correct lubrication environment inside the drive assembly, supporting consistent diaphragm pump output and stroke performance.
The gear case cover encloses the drive mechanism that converts engine or motor rotation into the reciprocating motion that actuates the diaphragm on a diaphragm pump. By sealing the gear case, this cover keeps lubricant in and contaminants out, both of which are critical to smooth, consistent pump operation. A cracked, missing, or improperly fitted cover can allow debris to enter the drive assembly or allow lubricant to escape, leading to accelerated wear on internal components and eventual pump failure.
Part Details
| Part Number | 3053303 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Gear Case Cover |
Compatibility & Fitment
| Name | Model |
|---|---|
| MQ Diaphragm Pumps | MQ-D305 |
| MQ Diaphragm Pumps | D306 |
Verify Before You Order
Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.
Why Buy From DHS Equipment
Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.
Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.
