Standard Ignition VC-173 Distributor Vacuum Advance

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Standard Ignition VC-173 Distributor Vacuum Advance

Brand	Standard Ignition VC-173
Contents	Distributor vacuum control
Hose Connector Quantity	1
Fits	Dodge · 54 vehicles

Precision calibration. Ensures correct ignition advance for consistent engine performance.

Leak-tested at 30HG. Verified to hold vacuum without leakage.

OE ignition expertise. Global manufacturer with complete quality control from components to finished product.

Cross-references 2-1336, 4V1083 and 57-7505 for the same application. See all 9.

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Distributor Vacuum Advance for Dodge Ignition Service

Standard Ignition VC-173 is a distributor vacuum advance unit built for precise ignition timing control. It is calibrated to deliver correct advance response and tested at up to 30 inHg vacuum to help confirm leak-free operation. This distributor vacuum control supports service work on classic Dodge ignition systems, including Dodge Challenger, Dodge Charger, and Dodge Dart applications.

Key Features

Distributor vacuum control for ignition timing adjustment
Precision calibration for correct ignition advance response
Vacuum-tested at 30 inHg maximum to verify sealing performance
One hose connector for straightforward vacuum line connection
Standard Ignition VC-173 for OE-style distributor service

Application Details

Compatible With 1975-1977 Dodge B100, 1975-1977 Dodge D100, and 1975-1977 Dodge Ramcharger with OE No. 3656257, 266. It also fits 1970-1972 Dodge Challenger and 1970-1972 Dodge Charger with distributor numbers 2875826, 3438237, 3438440, 3438442, 3438524, 3656257, and 3656266, plus 1970-1972 Dodge Dart and 1969 Dodge Dart applications listed for U.S. emissions distributor ignition pickup and Canada emissions configurations. Standard Ignition VC-173 is a direct-fit service part for these distributor vacuum advance applications.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Problems It Can Address

Incorrect ignition advance response during acceleration
Vacuum leaks at the distributor advance unit
Rough throttle transition caused by worn vacuum control components
Timing instability in older Dodge distributor systems
Service replacement needs for original vacuum advance hardware

Installation Notes and Tips

Verify distributor number, OE reference, and emissions configuration before installation. Inspect the vacuum hose and distributor canister connection for cracks, looseness, or contamination before replacing the unit. After installation, confirm timing and advance operation according to the vehicle service procedure.

Quality Assurance

Standard Ignition has supplied the automotive aftermarket since 1919 and maintains quality control from component manufacturing through finished product inspection. VC-173 is tested for vacuum integrity and built to support consistent ignition advance performance.

This part fits 54 vehicles

Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

Year	Make	Model	Transmission	Liters	Cylinders	Position	Notes
1977	Dodge	B100	—	3.7L	L6	N/A	OE No. 3656257, 266
1977	Dodge	D100	—	3.7L	L6	N/A	OE No. 3656257, 266
1977	Dodge	Ramcharger	—	3.7L	L6	N/A	OE No. 3656257, 266
1976	Dodge	B100	—	3.7L	L6	N/A	OE No. 3656257, 266
1976	Dodge	D100	—	3.7L	L6	N/A	OE No. 3656257, 266
1976	Dodge	Ramcharger	—	3.7L	L6	N/A	OE No. 3656257, 266
1975	Dodge	B100	—	3.7L	L6	N/A	OE No. 3656257, 266
1975	Dodge	D100	—	3.7L	L6	N/A	OE No. 3656257, 266
1975	Dodge	Ramcharger	—	3.7L	L6	N/A	OE No. 3656257, 266
1972	Dodge	Challenger	—	5.9L	V8	N/A	Dist. No. 2875826, 3438237, 3438440, 3438442, 3438524, 3656257, 3656266
1972	Dodge	Challenger	—	7.2L	V8	N/A	Dist. No. 2875826, 3438237, 3438440, 3438442, 3438524, 3656257, 3656266
1972	Dodge	Challenger	Automatic	3.7L	L6	N/A	—
1972	Dodge	Challenger	—	6.6L	V8	N/A	Dist. No. 2875826, 3438237, 3438440, 3438442, 3438524, 3656257, 3656266
1972	Dodge	Charger	—	5.9L	V8	N/A	Dist. No. 2875826, 3438237, 3438440, 3438442, 3438524, 3656257, 3656266
1972	Dodge	Charger	Automatic	3.7L	L6	N/A	—
1972	Dodge	Charger	—	3.7L	L6	N/A	Dist. No. 2875826, 3438237, 3438440, 3438442, 3438524, 3656257, 3656266
1972	Dodge	Dart	Automatic	3.7L	L6	N/A	—
1972	Dodge	Dart	—	5.9L	V8	N/A	Dist. No. 2875826, 3438237, 3438440, 3438442, 3438524, 3656257, 3656266
1972	Dodge	Dart	—	3.2L	L6	N/A	—
1971	Dodge	Challenger	—	7.2L	V8	N/A	Dist. No. 2875826, 3438237, 3438440, 3438442, 3438524, 3656257, 3656266
1971	Dodge	Challenger	—	3.2L	L6	N/A	—
1971	Dodge	Challenger	Automatic	3.7L	L6	N/A	—
1971	Dodge	Challenger	—	6.3L	V8	N/A	Dist. No. 2875826, 3438237, 3438440, 3438442, 3438524, 3656257, 3656266
1971	Dodge	Challenger	—	5.9L	V8	N/A	Dist. No. 2875826, 3438237, 3438440, 3438442, 3438524, 3656257, 3656266
1971	Dodge	Challenger	—	7.0L	V8	N/A	Dist. No. 2875826, 3438237, 3438440, 3438442, 3438524, 3656257, 3656266
1971	Dodge	Charger	—	3.7L	L6	N/A	Dist. No. 2875826, 3438237, 3438440, 3438442, 3438524, 3656257, 3656266
1971	Dodge	Charger	—	7.2L	V8	N/A	Dist. No. 2875826, 3438237, 3438440, 3438442, 3438524, 3656257, 3656266
1971	Dodge	Charger	—	7.0L	V8	N/A	Dist. No. 2875826, 3438237, 3438440, 3438442, 3438524, 3656257, 3656266
1971	Dodge	Charger	Automatic	3.7L	L6	N/A	—
1971	Dodge	Charger	—	5.9L	V8	N/A	Dist. No. 2875826, 3438237, 3438440, 3438442, 3438524, 3656257, 3656266
1971	Dodge	Charger	—	6.3L	V8	N/A	Dist. No. 2875826, 3438237, 3438440, 3438442, 3438524, 3656257, 3656266
1971	Dodge	Dart	—	3.7L	L6	N/A	Dist. No. 2875826, 3438237, 3438440, 3438442, 3438524, 3656257, 3656266
1971	Dodge	Dart	—	3.2L	L6	N/A	—
1971	Dodge	Dart	—	5.9L	V8	N/A	Dist. No. 2875826, 3438237, 3438440, 3438442, 3438524, 3656257, 3656266
1971	Dodge	Dart	Automatic	3.7L	L6	N/A	—
1971	Dodge	Dart	—	2.8L	L6	N/A	Dist. No. 2875826, 3438237, 3438440, 3438442, 3438524, 3656257, 3656266
1970	Dodge	Challenger	—	3.7L	L6	N/A	Dist. No. 2875826, 3438237, 3438440, 3438442, 3438524, 3656257, 3656266
1970	Dodge	Challenger	—	7.2L	V8	N/A	Dist. No. 2875826, 3438237, 3438440, 3438442, 3438524, 3656257, 3656266
1970	Dodge	Challenger	—	6.3L	V8	N/A	Dist. No. 2875826, 3438237, 3438440, 3438442, 3438524, 3656257, 3656266
1970	Dodge	Challenger	Automatic	3.7L	L6	N/A	—
1970	Dodge	Challenger	—	3.2L	L6	N/A	—
1970	Dodge	Challenger	—	7.0L	V8	N/A	Dist. No. 2875826, 3438237, 3438440, 3438442, 3438524, 3656257, 3656266
1970	Dodge	Charger	—	6.3L	V8	N/A	Dist. No. 2875826, 3438237, 3438440, 3438442, 3438524, 3656257, 3656266
1970	Dodge	Charger	Automatic	3.7L	L6	N/A	—
1970	Dodge	Charger	—	7.0L	V8	N/A	Dist. No. 2875826, 3438237, 3438440, 3438442, 3438524, 3656257, 3656266
1970	Dodge	Charger	—	5.6L	V8	N/A	Dist. No. 2875826, 3438237, 3438440, 3438442, 3438524, 3656257, 3656266
1970	Dodge	Charger	—	7.2L	V8	N/A	Dist. No. 2875826, 3438237, 3438440, 3438442, 3438524, 3656257, 3656266
1970	Dodge	Dart	—	3.2L	L6	N/A	—
1970	Dodge	Dart	Automatic	3.7L	L6	N/A	—
1970	Dodge	Dart	—	2.8L	L6	N/A	Dist. No. 2875826, 3438237, 3438440, 3438442, 3438524, 3656257, 3656266
1969	Dodge	Charger	—	3.7L	L6	N/A	—
1969	Dodge	Dart	—	2.8L	L6	N/A	Compatible with vehicles equipped with U.S. Emissions for Distributor Ignition Pickup.
1969	Dodge	Dart	Automatic	3.7L	L6	N/A	Compatible with vehicles equipped with Canada Emissions.
1969	Dodge	Dart	Automatic	3.7L	L6	N/A	Compatible with vehicles equipped with U.S. Emissions for Distributor Ignition Pickup.
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Directly replaces or cross-references 9 part numbers

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.

2-13364V108357-7505287580988924860CV3011V192VC224VC3011