Blackmer 331921 Oil Seal OEM Shaft Seal for Blackmer Pumps

SKU: 331921

Weight	1.5 lbs
Dimensions	8 × 8 × 8 in

$47.92

In stock — available to order.

Sold individually. Each quantity ordered is one unit. Kits are one complete kit; products sold by length use the stated length unit.

Same-item volume pricing

Quantity	Unit price	Saving
1–4	$47.92	0%
5–9	$45.52	5%
10+	$43.13	10%

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Blackmer 331921 Oil Seal OEM Shaft Seal for Blackmer Pumps

Specifications & product details

REGIONS SUPPLY BUYING GUIDE

Product details & buying advice

For pump or compressor service parts, the equipment model and revision are the starting point for a reliable match.

Product type	Pump and compressor service parts
Part / SKU	331921

What to check before ordering

Compare the complete host-equipment identification with the applicable parts drawing.
Check the material and seal configuration, and whether the listing supplies one part, a kit or a rotating assembly.
Use the matching service instructions for clearances, seal work and reassembly checks.

Service reminder: A shared diagram or family name does not establish fit across every model. Confirm the individual part reference for your equipment.

Have gas-system installation and service completed by qualified personnel. Use the current instructions for the exact model and the requirements that apply at the installation location.

Product help & manufacturer resources

Blackmer installation, operation and maintenance manuals

Explore this product guide · Shop this product group · Ask Regions Supply about this part

Overview

Blackmer 331921 Oil Seal – OEM Shaft Seal ReplacementThe Blackmer 331921 Oil Seal is a genuine OEM replacement shaft seal engineered for Blackmer industrial pump assemblies. This seal features a spring-loaded sealing lip designed to maintain proper oil retention while preventing leaks during continuous pump operation.

Commonly replaced during pump rebuilds, overhauls, or preventative maintenance, this oil seal helps protect internal bearings and components by keeping lubrication where it belongs.

Key Benefits:Genuine Blackmer OEM oil sealSpring-loaded design for reliable shaft sealingPrevents oil leakage and contamination

Precision fit for Blackmer pump shafts

Ideal for MRO and pump rebuild applicationsTypical

Applications

Blackmer industrial pumps
Propane and LPG transfer equipmentFuel and petroleum handling systemsBulk plant and terminal pump maintenanceUsing OEM Blackmer oil seals ensures leak-free performance, extended component life, and dependable pump operation.

Product details

Part / SKU	331921

Package includes

Blackmer 331921 Oil Seal OEM Shaft Seal for Blackmer Pumps

Included components and any stated pack quantity are as described in this listing. Optional accessories shown separately are sold separately unless expressly included above.

Compatibility & part-number help

Match the manufacturer part number and equipment model to the listing. Check connection sizes, fuel type, pressure or capacity, voltage and dimensions where applicable. A similar appearance or part number alone does not confirm compatibility.

For help, send a parts inquiry with the part number, equipment model, label photos and quantity. Manufacturer documents and item-specific information, when supplied, are in the product details above.

Shipping & availability

Availability may include our inventory and supplier sources. Listed stock does not by itself confirm immediate dispatch. Ask us to confirm a ship date before ordering for time-sensitive work.

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