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Graco D07077 Kit 1040M/P BN/BN

Genuine Graco D07077 kit for 1″ diaphragm pumps. Replaces worn Buna‑N check balls to restore proper pump operation.

  • Part Number: D07077
  • Type: 1040M/P BN/BN Check Ball Kit
  • Material: Buna‑N (Nitrile) Balls
  • Compatible Pumps: Graco 1040, 1050, QTC & QHC Series
  • OEM Quality: Genuine Graco Replacement

$323.44
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Compatible Machines

  • Graco 1040 Series Diaphragm Pumps – 1″ pneumatic air‑operated pumps
  • Graco 1050 Series Diaphragm Pumps – compatible 1″ models needing nitrile check balls
  • Graco QTC Series Pumps – 1″ diaphragm pumps with Buna‑N ball requirements
  • Graco QHC Series Pumps – compatible 1″ diaphragm pumps using BN/BN ball kits

Product Overview

The Graco D07077 Kit, 1040M/P BN/BN is a genuine replacement check ball service kit featuring Buna‑N (nitrile) balls. It is designed for routine maintenance and repair of the check valve assemblies in compatible 1″ Graco diaphragm pumps to maintain smooth fluid control and sealing performance. ([tfpumps.com](https://tfpumps.com/product/graco-d07070-service-kit-1040-null-bn-null/?utm_source=chatgpt.com), similar part info)

Specifications

Part Number D07077
Kit Type 1040M/P BN/BN Check Ball Kit
Material Buna‑N (Nitrile) Balls
Application 1″ Diaphragm Pump Check Valve Service
OEM Quality Genuine Graco Replacement

Frequently Asked Questions

This kit is designed for Graco 1040 and 1050 series 1″ diaphragm pumps, as well as compatible QTC & QHC models that use Buna‑N check balls in their fluid section. ([tfpumps.com](https://tfpumps.com/product/graco-d07070-service-kit-1040-null-bn-null/?utm_source=chatgpt.com))

The kit includes multiple Buna‑N (nitrile) check balls used in the pump’s check valve assembly to ensure proper one‑way fluid flow and sealing.

Yes, the D07077 check ball kit is a genuine Graco OEM replacement part engineered for reliable fit and performance in supported diaphragm pumps. ([tfpumps.com](https://tfpumps.com/product/graco-d07070-service-kit-1040-null-bn-null/?utm_source=chatgpt.com))

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