Restore Your Welch 1397 Vacuum Pump with This Major Repair Kit (Now with Mechanical Seal)

14th Jul 2025

Restore Your Welch 1397 Vacuum Pump with This Major Repair Kit (Now with Mechanical Seal)

Intro:
If your Welch 1397 vacuum pump is showing signs of wear—like oil leaks, weak vacuum performance, or unusual noise—a full rebuild can restore its power and efficiency without the cost of a replacement. Our Welch 1397 Major Repair Kit with Mechanical Seal includes everything you need to bring your pump back to like-new condition.

Restore Your Welch 1397 Vacuum Pump with This Major Repair Kit (Now with Mechanical Seal)
Published July 14, 2025

If your Welch 1397 vacuum pump has been acting up—leaking oil, struggling to maintain vacuum, or sounding rough—a full rebuild is the most cost-effective route to restore performance and longevity. Our Welch 1397 Major Repair Kit with Mechanical Seal delivers OEM-quality components to make your pump run like new.

What’s Inside the Major Repair Kit

This comprehensive kit is custom-made for the Welch 1397 belt-driven vacuum pump, including:

Mechanical shaft seal
Full gasket and O‑ring set
Bearings and bushings
Intake and exhaust valves
Springs and rebuild hardware
All components are OEM-compatible, ensuring long-term reliability and precision performance. MSE Supplies LLC+5Vacuum Pump Supply+5Vacuum Pump Supply+5

When to Use This Kit

Opt for this major rebuild kit if your pump is:

Leaking oil
Failing to reach full vacuum
Running louder than usual or inconsistently
Due for preventative maintenance Vacuum Pump Supply+2Reddit+2

Parts Used in This Guide

Welch 1397 Major Repair Kit with Mechanical Seal — SKU 1397PI/MS
Optional: Welch 1397 Disposable Exhaust Filter — SKU VPSF‑1397

Why It's Worth Doing

Full rebuild avoids costly replacements.
OEM components ensure peak reliability.
Kit includes everything you need in one purchase.

What’s Inside the Major Repair Kit

When to Use This Kit

Parts Used in This Guide

Why It's Worth Doing

You May Also Like