AC Idle Solenoid Compensator>Need

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NEED: Source to buy AC Idle Solenoid Compensator. GM part# 1613608.
Not available from: Chevy Dealer (discontinued), LMC Truck, JC Whitney, Auto Zone & Advance Auto Parts.

Vehicle:
1971 Chevy Cheyenne 10 Fleetside Long bed, 350 V8, AT, AC. Built: 5/12/1971 Fremont, CA. Sold new: Kelsey & Sons Chevrolet, 390 HWY 246, Buellton, CA. Order# TNL098 Zone 34, Dealer 270. Customer Order. Weight 3677 (unloaded) Factory AC.

Location: Solenoid is attachted to bracket mounted to side of carburator next to throttle linkage.

Purpose: Increases curb idle when AC is on & standing still.

Glove box door Service Parts Identification label States-The special equipment listed below has been installed on this vehicle. For proper identification of replacement parts be sure to specify the applicable option numbers.
Option no. & Descriptions: Important: Retain this plate as a permanent record.
W/Base 127
B85 Belt Molding
F52 Front Shock Absorber (bumper guards)
LS9 350 CU IN V-8 Engine (4 bbl)
N40 Power Steering
VK2 Tool & Stowage Box
Z84 Custom Sport Truck
621 Saddle Vinyl Custom Trim
A11 Tinted Glass
C60 4- Season Air Cond
G70 R Susp- Leaf Spring
M49 Turbo Hydra-matic
U63 AM-P/Button Radio
Z53 Amp-Oil-Temp Gauge
463 White & Ochred (yellow sort of)