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Holley

HOLLEY Secondary Diaphragm

MPN: 135-6 Catalog #: 001509126 Category: Carburetor Accessories And Components Check Vehicle Fitment

Product Details

Secondary Diaphragm - Rubber / Steel - Vacuum Secondary - Holley Carburetors - Each

Vacuum Secondary Diaphragm; Carburetor Model Numbers R3659/R4365-1/R4382-1/R4383-1/R4393-2/R4394-2/R4671/R4672/R4789/R4790;

Vacuum secondaries are activated by venturii velocity through the primary venturii and further aided by secondary venturii velocity. Engine/manifold vacuum is not related and has no effect on the operation of the carburetors secondary system.

Fitment: Vacuum Secondary Diaphragm primarily used on out board 6-pack Carburetor Numbers: R3659 R4365-1 R4382-1 R4383-1 R4393-2 R4394-2 R4671 R4672 R4789 R4790

DETAILS:

Part Number 135-6 SPECS:

DETAILS:

  • Holley Performance Emission Code 5: This part is legal for sale or use on Emissions Controlled Vehicles; Uncontrolled (Non-Emissions Controlled) Vehicles; and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations
  • Carburetor Accelerator Pump Diaphragm
  • Vacuum Secondary Diaphragm
  • Vacuum Secondary Diaphragm
  • DIAPHRAGM
  • Carburetor Diaphragm

Part Number 135-6 SPECS:

  • WARNING CA Proposition 65: No

Vehicle Fitment

Universal or product-specific fitment. Please review the product details and contact us if you need help confirming fitment before ordering.

Product Specs

Brand
Holley
Part Number
135-6
Catalog Number
001509126
Product Line
Carburetor Accessories and Components
Category
Fuel Delivery
Type
Carburetor Accessories And Components
UPC / Barcode
090127026908
Length
7.00 in
Width
4.95 in
Height
1.95 in
Weight
0.07 lb
Freight / LTL
No
Ship Alone
No
Air Restricted
No

Shipping & Availability

Current status 1 Available - Ready to ship
Estimated timing Usually ships within 24hrs

This item is showing available inventory. Most in-stock performance parts ship quickly, but timing can vary by warehouse, vendor cut-off time, holidays, and carrier pickup.

Inventory shown: 1 available as of 6/3/2026.

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