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YI XUAN
YIXUAN Chrome 1-Wire Self-Exciting Alternator for Street Rod GM 305/350 BBC/SBC – 7127-SE105C
YI XUAN

YIXUAN Chrome 1-Wire Self-Exciting Alternator for Street Rod GM 305/350 BBC/SBC – 7127-SE105C

Best price now

$95.94at WalmartChecked Nov 12

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Price facts

  • Last seen at $95.94 at Walmart on Nov 12.

Our take on the YIXUAN Chrome 1-Wire Self-Exciting Alternator for Street Rod GM 305/350 BBC/SBC – 7127-SE105C

This is a 100-amp, 12-volt chrome alternator built for street rods running GM 305/350 small-block or big-block engines. It is a one-wire, self-exciting unit with an internal regulator, so it charges without a separate exciter wire, and it uses the common 10SI case with a single-groove pulley. The chrome finish and CNC-machined aluminum housing suit show and custom builds. Against stock 10SI alternators, it trades originality for higher output and simpler wiring, which is what most street-rod owners want.

Best forStreet rods and customs with GM 305/350 enginesOne-wire conversions and simplified engine harnessesBuilds needing more charging output than a stock 10SIShow and dress-up engine bays
Pros
  • 100 amps of output, well above a stock 10SI
  • One-wire self-exciting design needs no exciter wire
  • Internal regulator keeps wiring simple
  • Chrome finish and machined aluminum housing
  • Common 10SI case and single-groove pulley fit many brackets
Cons
  • One-wire setups can be slow to start charging at low idle
  • Chrome finish can dull or pit over time
  • Fits GM V8 applications only, not universal
  • No instructions included with the unit

YIXUAN Chrome 1-Wire Self-Exciting Alternator for Street Rod GM 305/350 BBC/SBC – 7127-SE105C prices at every store

  • WalmartNew

    In stockSold by HYXRACINGSTOREReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.

    $95.94Free shippingChecked Nov 12
    Visit Walmart

About the YIXUAN Chrome 1-Wire Self-Exciting Alternator for Street Rod GM 305/350 BBC/SBC – 7127-SE105C

This is a chrome, self-exciting 1-wire alternator for street rod builds with GM 305 and 350 small-block and big-block Chevy engines. It is also listed as fitting the Buick Century 5L, 1977-1981.

The housing is aluminum, made from precisely CNC-machined castings. The windings are pure copper. It is rated at 100 amps and 12 volts, and it uses a 1-groove pulley on the 10SI series design with an internal regulator.

Check the OE part number and your vehicle's make, model, year and engine before ordering.

Color
Silver (chrome finish)
Amperage
100 Amp
Voltage
12 V
Rotation
CW
Pulley
1-groove, 10SI series
Regulator
IR (internal)
Fan type
EF high output
Wiring
1-wire, self-exciting
Housing
CNC-machined aluminum castings
Windings
Pure copper
Fitment
Buick Century 5L 1977-1981; street rod GM 305/350 BBC/SBC
Replaces
ADR0335-C, 7127-SE105C, 1-2400-11DR-2, 7127-SECN-100A, 240-203-3DC

Specifications

color
SilverSource

Questions and answers

Will this fit my small-block Chevy?
It fits GM 305 and 350 small-block and big-block engines that use the 10SI alternator case and a single-groove V-belt. Check your existing alternator's part number and bracket before ordering.
What does one-wire self-exciting mean?
The alternator starts charging on its own once the engine spins it, so you run only the main charge wire to the battery. There is no separate exciter or indicator wire to hook up.
How much power does it put out?
It is rated at 100 amps and 12 volts, clockwise rotation, with an internal regulator. That is enough for a street rod with lights, an electric fan and a modest audio system.
Does it replace my stock alternator directly?
It is a 10SI-series unit with a one-groove pulley, so it mounts to the same style brackets. The one-wire wiring differs from a factory three-wire setup, so the charge wire needs to be run to the battery.
What part numbers does it cross-reference?
It lists ADR0335-C, 7127-SE105C, 1-2400-11DR-2, 7127-SECN-100A and 240-203-3DC. Match one of these to your old unit to confirm fit.
Where is the YIXUAN Chrome 1-Wire Self-Exciting Alternator for Street Rod GM 305/350 BBC/SBC – 7127-SE105C cheapest?
At Walmart, for $95.94, as of our latest check.

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