Alternators

EexcavaStart N318-18-300 12V 70A Alternator for Mazda RX-7 1.3L

Q: What numbers are documented for N318-18-300?

Primary Manufacturer Reference: N318-18-300. Search Format Alias: N31818300. Cross-reference (fitment check required): 334-1757. Cross-reference (fitment check required): A2T47974. Cross-reference (fitment check required): AMT0018. Cross-reference (fitment check required): 14910. Cross-reference (fitment check required): 186-0352. Cross-reference (fitment check required): 111408. Cross-reference (fitment check required): 10463787. Cross-reference (fitment check required): A-8221. Cross-reference (fitment check required): M900089. Cross-reference (fitment check required): 14909. Relationship labels distinguish formatting aliases, direct interchanges, remanufactured references and related assemblies.

Q: How do I confirm N318-18-300 before ordering?

Match the complete part number, compare the connector or mounting arrangement with your original unit and the recorded specifications, and confirm the machine or engine model and serial range. Send clear photos of the original unit when requesting a quote.

EexcavaStart packaging illustration · Not a photograph of this exact part. Exact-unit photo availability is not confirmed; send your original part number and unit photos with your inquiry.

OEM / referenceN318-18-300

Specification12V 70A Alternator; original-unit verification required

Catalog ID929290269

Product Type: Alternator
Product Brand: EexcavaStart
Primary Reference: N318-18-300
Equipment Scope: Mazda RX-7; exact catalog-listed engine/year rows only
Voltage: 12 V
Rated Output: 70 A
Rotation: CW
Regulator: Internal
Fan Type: Internal fan
Clock (catalog index): 6; confirm connector orientation on the original unit
Pulley Type: Solid
Availability: Quote only; stock not confirmed
Image Disclosure: Brand packaging illustration; exact-unit photograph not confirmed

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Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.

Quotation details: MOQ, availability, lead time, item condition (new or remanufactured) and warranty coverage must be confirmed in your quotation before ordering.

Part-number relationships

Relationship	Reference family	Number
Primary Manufacturer Reference	MAZDA	N318-18-300
Search Format Alias	Formatting only	N31818300
Cross-reference (fitment check required)	AC DELCO	334-1757
Cross-reference (fitment check required)	ARROWHEAD	A2T47974
Cross-reference (fitment check required)	ARROWHEAD	AMT0018
Cross-reference (fitment check required)	BBB	14910
Cross-reference (fitment check required)	BECK ARNLEY	186-0352
Cross-reference (fitment check required)	CARGO	111408
Cross-reference (fitment check required)	DELCO REMAN	10463787
Cross-reference (fitment check required)	DIXIE	A-8221
Cross-reference (fitment check required)	DUBOIS	M900089
Cross-reference (fitment check required)	LESTER	14909
Cross-reference (fitment check required)	LESTER	14911
Cross-reference (fitment check required)	LUCAS ELECTRICAL EUROPE	LRA01371
Cross-reference (fitment check required)	MAZDA	N326-18-300
Cross-reference (fitment check required)	MITSUBISHI	A2T47474
Cross-reference (fitment check required)	NAPA	13-8473
Cross-reference (fitment check required)	NAPA	13-8492
Cross-reference (fitment check required)	NAPA POWER PREMIUM PLUS	213-8473
Cross-reference (fitment check required)	NAPA POWER PREMIUM PLUS	213-8492
Cross-reference (fitment check required)	PIC	203-328
Cross-reference (fitment check required)	REMY LIGHT DUTY	14716
Cross-reference (fitment check required)	USA INDUSTRIES	A1152
Cross-reference (fitment check required)	WAI	1-2342-01MI
Cross-reference (fitment check required)	WILSON	90-27-3041
Cross-reference (fitment check required)	WILSON	90-27-3042

Product fitment guide

Part numbers and compatible models

Quickly compare the reference number and recorded machine applications. Use photos of your original unit and the checklist before ordering.

Part identification

Reference numbers

Primary number

N318-18-300

Formatting alias

N31818300

Cross-reference (fitment check required)

334-1757
A2T47974
AMT0018
14910
186-0352
111408
10463787
A-8221
M900089
14909
14911
LRA01371
N326-18-300
A2T47474
13-8473
13-8492
213-8473
213-8492
203-328
14716
A1152
1-2342-01MI
90-27-3041
90-27-3042

Formatting aliases are the same number written differently. Cross-references require a specification and fitment check; they do not by themselves confirm direct interchangeability. Related assemblies and remanufactured numbers are separate relationship types.

Product summary

12V 70A Alternator; original-unit verification required

Category: Alternators
Catalog ID: 929290269
Illustration views: 1

Before ordering

Confirm these details

Confirm voltage and rated amperage against the original alternator label.
Compare mounting ears, pulley type and pulley-groove count.
Check plug shape, terminal position and regulator connection.
Verify the engine model and machine serial range before ordering.

Machine fitment

Compatible model references

6 model references

Mazda RX-7 1986 / 1.3L: Catalog-listed; verify original unit number, mounting, pulley and electrical connections
Mazda RX-7 1986 / 1308cc 1.3L R2: Catalog-listed; verify original unit number, mounting, pulley and electrical connections
Mazda RX-7 1987 / 1.3L: Catalog-listed; verify original unit number, mounting, pulley and electrical connections
Mazda RX-7 1987 / 1308cc 1.3L R2: Catalog-listed; verify original unit number, mounting, pulley and electrical connections
Mazda RX-7 1988 / 1.3L: Catalog-listed; verify original unit number, mounting, pulley and electrical connections
Mazda RX-7 1988 / 1308cc 1.3L R2: Catalog-listed; verify original unit number, mounting, pulley and electrical connections

Compatibility lists identify searchable model families, not every production serial range. Confirm the original part number and machine serial number before purchase.

Quick fitment answers

Common questions about N318-18-300

Which machines use N318-18-300?

Recorded compatible model references include Mazda RX-7 1986 / 1.3L: Catalog-listed; verify original unit number, mounting, pulley and electrical connections, Mazda RX-7 1986 / 1308cc 1.3L R2: Catalog-listed; verify original unit number, mounting, pulley and electrical connections, Mazda RX-7 1987 / 1.3L: Catalog-listed; verify original unit number, mounting, pulley and electrical connections, Mazda RX-7 1987 / 1308cc 1.3L R2: Catalog-listed; verify original unit number, mounting, pulley and electrical connections, Mazda RX-7 1988 / 1.3L: Catalog-listed; verify original unit number, mounting, pulley and electrical connections, Mazda RX-7 1988 / 1308cc 1.3L R2: Catalog-listed; verify original unit number, mounting, pulley and electrical connections. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for N318-18-300?

Cross-references are listed in the relationship table above. Compare specifications and the original unit before treating a reference as interchangeable. Formatting aliases for the same number: N31818300.

How do I confirm N318-18-300 before ordering?

Confirm voltage and rated amperage against the original alternator label. Compare mounting ears, pulley type and pulley-groove count. Check plug shape, terminal position and regulator connection. Send clear photos of the original unit and connector layout when requesting a quote.