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LDI INDUSTRIES Vented Oil Level Gauge - Vented Oil Level Gauges
LDI INDUSTRIESVented Oil Level Gauges

LDI INDUSTRIES Vented Oil Level Gauge

The LDI INDUSTRIES Vented Oil Gauge (MPN G657-2) is a vented oil level gauge with a 5.67 in body height and 4 1/4 in sight height, featuring a 1/4" NPTF male connection. It is compatible with the G650 Series, has a…

SKU 3G-OTH-592815

Also listed as: G6572 · G657 2

Brand
LDI INDUSTRIES
Item
Vented Oil Level Gauge
Part Number
G657-2
Category
Vented Oil Level Gauges
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Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

LDI INDUSTRIES
Manufacturer Part Number
G657-2
Sight Ht
4 1/4 in
NPTF Male
1/4"
Seal Material
Buna N
Max. Temp Rating
250°F
Includes Thermometer
No Thermometer Included
Compatible with Series
G650 Series

Technical Documents

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LDI INDUSTRIES Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The LDI INDUSTRIES Vented Oil Gauge (MPN G657-2) is a vented oil level gauge with a 5.67 in body height and 4 1/4 in sight height, featuring a 1/4" NPTF male connection. It is compatible with the G650 Series, has a Buna N seal, and a maximum temperature rating of 250°F, with no thermometer included.

Frequently Asked Questions

What is a vented oil gauge used for?

A vented oil gauge provides a clear visual indication of oil level in gearboxes, compressors, and hydraulic reservoirs. The vent allows pressure equalization, preventing seal damage. LDI INDUSTRIES G657-2 is a common replacement for G650 Series applications requiring a 1/4" NPTF male connection.

What are the specifications of the LDI INDUSTRIES G657-2 vented oil gauge?

The G657-2 has a 5.67 in body height, 4 1/4 in sight height, 1/4" NPTF male connection, Buna N seal, and 250°F max temperature rating. It is compatible with the G650 Series and does not include a thermometer. 3G Electric supplies this LDI INDUSTRIES gauge globally.

Where to buy LDI INDUSTRIES G657-2 vented oil gauge worldwide?

3G Electric sources and delivers the LDI INDUSTRIES G657-2 vented oil gauge to worldwide locations. We handle full logistics and customs clearance as a global industrial supplier. Contact us for lead time and pricing on this G650 Series compatible gauge.

How to install a vented oil gauge like the G657-2?

Install the LDI INDUSTRIES G657-2 by applying thread sealant to the 1/4" NPTF male connection and hand-tightening into the reservoir port. Do not overtighten. Ensure the vent is unobstructed. The Buna N seal is suitable for petroleum-based oils up to 250°F. 3G Electric provides sourcing support.

Used in

Common applications for LDI INDUSTRIES
Hydraulic power units — LDI Industries pump motor adapters (e.g., MPN 6028) connect electric motors to hydraulic pumps in industrial machinery.
Mobile equipment — LDI Industries SAE B 4-bolt adapters (e.g., MPN 1952) used in construction vehicle hydraulic systems.
Gas engine-driven pumps — LDI Industries gas engine/pump adapter (MPN 6019) interfaces PEM-G flange engines with SAE A pumps.
Hydraulic tank fabrication — LDI Industries steel return flanges (e.g., MPN 5111) welded onto reservoirs for fluid return ports.
Maintenance replacement — LDI Industries pump motor adapters (e.g., MPN 1960) replace worn or incompatible adapters in existing hydraulic systems.
Industrial automation — LDI Industries adapters (e.g., MPN 1950) used in stationary hydraulic presses and material handling equipment.
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LDI INDUSTRIES Products

3G Electric supplies LDI INDUSTRIES vented oil level gauges. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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