Blackmer 702128 Viton Head O-Ring for NP4F Pump OEM Replacement (74 cha

SKU: 702128

Weight	1.5 lbs
Dimensions	13 × 10 × 2 in

$240.86

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	$240.86	0%
5–9	$228.82	5%
10+	$216.77	10%

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Blackmer 702128 Viton Head O-Ring for NP4F Pump OEM Replacement (74 cha

Specifications & product details

Overview

The Blackmer 702128 Head O-Ring is a genuine OEM Viton sealing component designed specifically for Blackmer NP4F sliding vane pumps. This O-ring seals the pump head to prevent leaks and maintain proper pressure during operation.

Manufactured from Viton (FKM), the 702128 O-ring offers excellent resistance to propane, LP gas, fuel, heat, and chemical exposure, making it ideal for demanding pump applications. It is commonly replaced during pump head service, rebuilds, and preventive maintenance.

Key Benefits:Genuine Blackmer OEM head O-ringViton (FKM) for superior durability and chemical resistance

Designed for NP4F pump models

Maintains proper sealing and pump efficiency

Ideal for pump rebuilds and leak preventionA critical replacement seal for technicians servicing Blackmer NP4F pumps in propane and fuel transfer systems.

Product details

Part / SKU	702128

Package includes

Blackmer 702128 Viton Head O-Ring for NP4F Pump OEM Replacement (74 cha

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

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