AG-605 HEATER CONTROL VALVE — NOS — GM / UNIVERSAL — AC DELCO 15-5107 CROSS
type: Unknown Type
Vendor: CorvairFarmer
Description:
🧰 AG-605 — HEATER CONTROL VALVE — SPECIFICATIONS & CROSS-REFERENCE
🔧 Technical Specifications
| Attribute | Details |
|---|---|
| Part Number | AG-605 |
| Type | Inline Heater Control Valve |
| Function | Regulates coolant flow to heater core |
| Operation | Manual or vacuum-actuated (application dependent) |
| Inlet/Outlet Size | 5/8" hose (typical) |
| Material | Metal body with rubber seals |
| Temperature Range | –40°F to 175°F (–40°C to 79°C) |
| Mounting | Inline hose clamp or bracket mount |
| Status | NOS / aftermarket legacy part |
Quick Overview
| Attribute | AG‑605 | AG‑606 | AG‑607 |
|---|---|---|---|
| Valve Type | Cable‑operated | Cable‑operated | Cable‑operated |
| Port Count | 4‑port | 4‑port | 4‑port |
| Body Style | Inline, square‑body | Inline, square‑body | Inline, square‑body |
| Flow Direction | Standard | Standard | Standard |
| Mounting | Hose‑inline | Hose‑inline | Hose‑inline |
| Typical Use | Mid‑70s GM / Ford | Late‑70s GM / Ford | Early‑80s GM / Ford |
| Status | NOS only | NOS only | Rare NOS |
🔁 Cross-Reference Equivalents
| Brand | Equivalent Part Number |
|---|---|
| AC Delco | 15-5107 |
| Murray | 277605 |
| Everco | H1985 |
| Years Noted | 1985, 1986 (per box label) |
| Other AG Boxes | AG-606, AG-604, AG-803 (adjacent family) |
🚗 Common Applications
-
GM: 1980s Chevy, Buick, Oldsmobile, Pontiac, GMC
-
Universal: Inline heater hose control for aftermarket HVAC installs
-
Retrofit: Used in custom or restoration setups where vacuum or manual coolant shutoff is needed
