PMO

PMO Acc Pump Diaphragm Outer — Genuine PMO | Porsche 911 (1965-1989) (PM-O129-1)

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$23.14

Product details

Vendor PMO
SKU PM-O129-1
Barcode 707924553062
Fits
- 1965-1989|Porsche|911

Not sure it fits? Call the shop: (657) 438-7002.

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The Acc Pump Diaphragm Outer is a genuine PMO (Performance Machined Originals) component for the air-cooled Porsche 911 — the same precision parts trusted on show engines and race motors. Part number PM-O129-1. Made in USA.

Genuine PMO / Performance Machined Originals manufacture
Engineered for PMO and Weber carbureted air-cooled Porsche 911 induction
Genuine PMO
Sold by Washburn's Metal

Fitment: Fits air-cooled Porsche 911 (1965–1989) running PMO or Weber carburetion. Confirmed: Porsche 911. If you are unsure of your carburetor size or setup, contact us with your engine build before ordering.

Specifications:

Part number: PM-O129-1
Manufacturer: PMO (Performance Machined Originals)
Boxed dimensions: 4 x 4 x 1 in
Shipping weight: 0.01 lb
Origin: Made in USA

Frequently Asked Questions

Does this fit my Porsche? Fits air-cooled Porsche 911 (1965–1989) running PMO or Weber carburetion.

What is the part number? This is PMO PM-O129-1.

How does it ship? Standard ground from our Orange, California shop; no hazmat restrictions on this item.

Quick spec: Genuine PMO Acc Pump Diaphragm Outer (PM-O129-1), Genuine PMO, for air-cooled Porsche 911 carbureted induction.

⚠ California Proposition 65 Warning: This product can expose you to chemicals including lead, known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

The Tech Bench Everything we know about doing the work, in one place — written and filmed on our own bench in Orange, California, with the same parts we sell you.

Pick a bench below. Written install guides, free decoder tools, install videos, and the fitment lookup — each one lives on its own page so you're not scrolling past nine systems to find the one you're working on.

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01

Install Guides

The full written library — procedures, torque specs, and the order of operations that keeps you from taking something apart twice. Organised by system.

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Not every write-up needs a full install guide. The thinking behind a modification, the cars that come through the door, and the jobs we take photos of as we go get posted over on the shop blog.

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Free shipping on domestic (U.S.) orders over $250 — no code needed; oversize and freight items are excluded and ship at carrier rates. Otherwise, domestic shipping is calculated at checkout based on the size, weight, and destination of your order.

Orders are typically processed within 24–48 hours before they ship. Once your order ships, you'll get an email with tracking information.

Shipping outside the U.S.? Contact us at (657) 438-7002 before you order and we'll confirm rates and options for your destination.

PMO Acc Pump Diaphragm Outer — Genuine PMO | Porsche 911 (1965-1989) (PM-O129-1)

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