Cast Iron Starter Nose Cone – Delco 10MT / 27MT Fitment
type: Unknown Type
Vendor: CorvairFarmer
Description:
📦 Heavy-duty cast iron starter nose cone stamped C1689417 ✅ Fits 1965–1975 GM vehicles with 168T flywheel setups ✅ Compatible with Delco 10MT, 27MT, SD300 starters ✅ Cross references: Delco 1965529, Lester 3631, NAPA 51122
⚙️ Part Identification: C1689417 Starter Nose Cone
| Attribute | Details |
|---|---|
| Part Number | C1689417 |
| Type | Starter Drive End Housing (Nose Cone) |
| Material | Cast Iron |
| Mounting Style | 2-bolt offset pattern |
| Common Series | Delco Remy 10MT, 27MT, SD300 |
| Flywheel Fitment | Typically for 168-tooth flywheel setups |
| Shaft Support | Bushing seat for armature shaft |
🔁 Cross Reference Numbers
| Brand | Equivalent Part Number |
|---|---|
| Delco Remy | 1965529, 1970310, 1876881 |
| Lester | 3631, 3664, 3800, 3838 |
| NAPA / Echlin | 51122 |
| Aftermarket | 511003, 511004, 51101 |
🧩 Confirm bolt hole spacing and depth — some variants differ slightly in alignment and starter gear engagement.
🚗 Specific Fitment
This nose cone is compatible with GM vehicles from the 1960s–1970s, especially those using block-mounted starters with 168T flywheels:
| Make | Models | Years | Engines |
|---|---|---|---|
| Chevrolet | Impala, Camaro, C/K Trucks | 1965–1975 | 327–454 V8 |
| Pontiac | GTO, Firebird | 1967–1974 | 389–455 V8 |
| Oldsmobile | Cutlass, 442 | 1965–1975 | 330–455 V8 |
| Buick | GS, Skylark | 1965–1975 | 300–455 V8 |
| GMC | Pickup, Suburban | 1965–1975 | 305–402 V8 |
Also used in marine and industrial setups with Delco 10MT starters.