Name: Camshaft Position Sensor RIDEX 3946S0147 OE Ref N3A1-18-221A
Brand: RIDEX
SKU: RIDEX-3946S0147
Price: 44.00 GBP
Availability: InStock
Rating: 4.8 (578 reviews)

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Camshaft Position Sensor RIDEX 3946S0147 OE Ref N3A1-18-221A RIDEX

Key Specification:

EAN: 4059191734016
OEM Reference number: N3A118221
Supplementary Info: without cable
Number of pins: 2
Weight [kg]: 0.05

See Full Specification

Sale

£ 44.00

£ 33.25 excl. VAT

In Stock

SKU:	RIDEX 3946S0147
Brand	RIDEX

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Specification
Description
OEM Numbers
Compatibilities
Reviews

EAN

4059191734016

OEM Reference number

N3A118221

Supplementary Info

without cable

Number of pins

Weight [kg]

0.05

Colour

Black

PURPOSE GROUP

Camshaft

Fitting Depth [mm]

Camshaft Position Sensor RIDEX 3946S0147 OE Ref N3A1-18-221A

Camshaft Position Sensor OE Ref N3A1 18 221A – RIDEX – OEM N3A118221

This Camshaft Position Sensor OE Ref N3A1 18 221A is supplied by RIDEX as a replacement for OEM reference N3A118221. It is intended for use in selected MAZDA vehicles and designed to meet original equipment fit and function requirements.

The part is identified by manufacturer reference 3946S0147 and EAN EAN: 4059191734016, allowing accurate product identification and compatibility checks before installation. It is suitable for replacing worn, damaged, or non-functioning components where reliable operation is required.

without cable

Correct part selection is essential to ensure proper fitment. Please verify compatibility by matching the OEM reference number or using the vehicle registration lookup tool before ordering.

Vehicle Compatibility

Compatible with selected MAZDA models. Full compatibility details are available in the Compatibility section of this page.

If this part is not suitable for your vehicle, browse alternative options in our Engine category.

Reference number(s) comparable with the original spare part number

MAZDA N3A1-18-221 MAZDA N3A1-18-221A

OE reference number(s) comparable with the original spare part number

MAZDA

MAZDA 323 S Mk VI (BJ) From 05/1998 to 05/2004

1.8 Protege (BJ10M) 4WD 05/1998-05/2004, 92 kw, 1840 ccm, 125 PS, Saloon, Petrol , ENG: FP55, BP (DOHC)

1.9 16V (BJ10M) 4WD 09/1998-05/2004, 84 kw, 1840 ccm, 114 PS, Saloon, Petrol , ENG: FP55, FP

2.0 (BJ10S) 4WD 02/2000-05/2004, 98 kw, 1991 ccm, 133 PS, Saloon, Petrol , ENG: FS

MAZDA 5 (CR19) From 02/2005 to 12/2010

2.0 (CREW) 4WD 02/2005-05/2010, 107 kw, 1999 ccm, 146 PS, MPV, Petrol , ENG: LFF7, LF-DE

MAZDA 626 Mk V (GF) From 05/1997 to 12/2002

2.0 (GFER) 4WD 04/1998-10/2002, 100 kw, 1991 ccm, 136 PS, Saloon, Petrol , ENG: FS2C

2.0 (GFER) 4WD 05/1997-10/2002, 85 kw, 1991 ccm, 115 PS, Saloon, Petrol , ENG: FS

1.8 (GF8P) 4WD 12/1999-10/2002, 74 kw, 1840 ccm, 100 PS, Saloon, Petrol , ENG: FP9A

1.8 (GF8P) 4WD 05/1997-12/1999, 66 kw, 1840 ccm, 90 PS, Saloon, Petrol , ENG: FPY3

MAZDA 626 Mk V Hatchback (GF) From 05/1997 to 12/2002

1.9 (GF8P) 4WD 12/1999-10/2002, 74 kw, 1840 ccm, 100 PS, Hatchback, Petrol , ENG: FP

2.0 H.P. (GFER) 4WD 02/1998-10/2002, 100 kw, 1991 ccm, 136 PS, Hatchback, Petrol , ENG: FS2C

2.0 (GFER) 4WD 05/1997-10/2002, 85 kw, 1991 ccm, 115 PS, Hatchback, Petrol , ENG: FS

1.8 (GF8P) 4WD 05/1997-12/1999, 66 kw, 1840 ccm, 90 PS, Hatchback, Petrol , ENG: FPY3

MAZDA 626 Mk V Station Wagon (GW) From 01/1998 to 12/2002

2.0 (GWEW) 4WD 02/1998-10/2002, 85 kw, 1991 ccm, 116 PS, Estate, Petrol , ENG: FS

2.0 H.P. (GWEW) 4WD 02/1998-10/2002, 100 kw, 1991 ccm, 136 PS, Estate, Petrol , ENG: FS2C

1.8 (GW8W) 4WD 02/1998-01/2000, 66 kw, 1840 ccm, 90 PS, Estate, Petrol , ENG: FP33

1.8 (GW8W) 4WD 01/2000-10/2002, 74 kw, 1840 ccm, 100 PS, Estate, Petrol , ENG: FP9A

MAZDA MPV Mk II (LW) From 08/1999 to 12/2006

2.0 (LWEW) 4WD 08/2000-07/2002, 88 kw, 1991 ccm, 120 PS, MPV, Petrol , ENG: FS

2.0 (LWEW) 4WD 09/1999-08/2000, 90 kw, 1991 ccm, 122 PS, MPV, Petrol , ENG: FS-DS

MAZDA PREMACY (CP) From 01/1999 to 03/2005

1.9 (CP10P) 4WD 07/1999-03/2005, 84 kw, 1840 ccm, 114 PS, MPV, Petrol , ENG: FP

1.9 (CP8W) 4WD 07/1999-03/2005, 74 kw, 1840 ccm, 100 PS, MPV, Petrol , ENG: FP

2.0 (CP10S) 4WD 11/2001-03/2005, 96 kw, 1991 ccm, 131 PS, MPV, Petrol , ENG: FS7E, FS7G

MAZDA RX-7 Mk III (FD) From 07/1992 to 08/2002

1.3 Twin Turbo (FD3S, FD1031) Rear-Wheel Drive 07/1992-08/2002, 176 kw, 1308 ccm, 239 PS, Coupe, Wankel , ENG: RE13B

MAZDA RX-8 (SE, FE) From 10/2003 to 07/2012

1.3 Rear-Wheel Drive 10/2003-06/2012, 151 kw, 1308 ccm, 205 PS, Coupe, Wankel , ENG: 13B-MSP

1.3 (FE103, SE3P) Rear-Wheel Drive 10/2003-06/2012, 170 kw, 1308 ccm, 231 PS, Coupe, Wankel , ENG: 13B-MSP

1.3 (SE3P) Rear-Wheel Drive 11/2003-06/2012, 177 kw, 1308 ccm, 241 PS, Coupe, Wankel , ENG: 13B-MSP

1.3 (FE103, SE3P) Rear-Wheel Drive 10/2003-06/2012, 141 kw, 1308 ccm, 192 PS, Coupe, Wankel , ENG: 13B-MSP

Berry
12 Nov, 2025
elderly car so really pleased that the part could be supplied :-) Correct part arrived swiftly - excellent - thank you
Edward & Susan
20 OCT, 2025
These guys were real helpful when I was looking for an EGR valve. Great communications and fast delivery, the valve did exactly as It was meant to do and it was a lot cheaper than everywhere else I looked. I'll be using eAuto Parts again. Top banana.
Charlie
27 AUG, 2025
eAuto Parts made me happy because it only took 2 minutes to order the part and at a very good price, also very quick delivery, will definitely deal with them again.
Adam Taylor
12 May, 2025
Quick enquiry response, easy buying and quick delivery. Quality of goods was good and fitted with no problem (Suzuki bonnet hinges.) recommended.
Helena Garcia
2 January, 2025
The correct part was rapidly identified and located, and was despatched promply to my chosen repairer in time for the work to be done on schedule. Very pleased with the service and will be using eAuto Parts again.