NOS Delco 4914074 Windshield Washer Pump Bellows Kit – 1965–1975 GM Cars & Trucks

$49.99

type: Unknown Type
Vendor: CorvairFarmer

Description:

Comes exactly as pictured- New Old Stock Delco Bellows Kit, GM part number 4914074, complete with original box, hardware, and instruction sheet. This kit rebuilds the internal bellows inside the windshield washer pump used on many 1960s–1970s GM vehicles, including Chevrolet, GMC, Buick, Oldsmobile, and Pontiac models.

The 4914074 bellows kit rebuilds the internal pump chamber on:

  • Electro‑mechanical washer pumps mounted to the wiper motor

  • Used across GM divisions during the mid‑1960s through mid‑1970s

  • Restores proper washer fluid pressure and prevents leaks/backflow


📘 FITMENT CHART — GM 4914074

Windshield Washer Pump Bellows Kit Applications

CHEVROLET

Years Models Notes
1965–1975 Impala, Bel Air, Biscayne, Caprice Integral wiper/washer motor
1967–1974 Camaro Standard & RS wiper systems
1968–1974 Nova All wiper motor types
1964–1975 Chevelle / Malibu / El Camino Common Delco washer pump
1967–1975 C10 / C20 / C30 Trucks Washer pump mounted to wiper motor
1968–1974 Suburban Same Delco pump assembly

GMC

Years Models Notes
1967–1975 1000–3500 series trucks Same Delco washer pump
1968–1974 Suburban / Jimmy Shared wiper/washer motor design

BUICK

Years Models Notes
1966–1974 Skylark / GS Delco wiper motor with integral pump
1967–1974 LeSabre / Electra / Wildcat Same bellows assembly

OLDSMOBILE

Years Models Notes
1966–1974 Cutlass / 442 Standard Delco washer pump
1967–1974 Delta 88 / 98 Same internal bellows design

PONTIAC

Years Models Notes
1966–1974 Tempest / LeMans / GTO Delco washer pump
1967–1974 Catalina / Bonneville Same bellows kit

Correct for:

  • 1965–75 Chevrolet passenger cars

  • 1967–75 Chevy/GMC trucks

  • 1966–74 Buick, Oldsmobile, Pontiac models

  • Delco wiper motors with integral washer pumps

Condition

  • Genuine NOS Delco part

  • Includes bellows, retainer, washer, and instructions

  • Box is clean and legible

Why You Want It

Perfect for concours restorations, wiper motor rebuilds, or anyone wanting authentic Delco service parts. OEM bellows outperform modern reproductions and are increasingly hard to find.

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