Name: Control Trailing Arm Mounting FIRST LINE FSK6421 OE Ref 50509340 S1
Brand: FIRST LINE
SKU: FIRST-LINE-FSK6421
Price: 27.00 GBP
Availability: InStock
Rating: 4.8 (578 reviews)

Call Us:

0203 150 1872

eAuto Parts

Your selected vehicle

0Shopping Cart£0.00

Subtotal	£0.00
Total (Inc VAT)	£0.00

Cart Checkout

Control Trailing Arm Mounting FIRST LINE FSK6421 OE Ref 50509340 S1 FIRST LINE

Key Specification:

Diameter [mm]: 42.2
EAN: 5038068395993
Inner Diameter [mm]: 12.2
Length [mm]: 76
OEM Reference number: 50509339S1

See Full Specification

Sale

£ 27.00

£ 20.65 excl. VAT

In Stock

SKU:	FIRST LINE FSK6421
Brand	FIRST LINE

Free Shipping
For orders over £75
Top-Notch Support
Monday To Friday
100% Safety
Only secure payments
Hot Offers
Discounts up to 70%

Specification
Description
OEM Numbers
Compatibilities
Reviews

Diameter [mm]

42.2

EAN

5038068395993

Inner Diameter [mm]

12.2

Length [mm]

OEM Reference number

50509339S1

paired article number

FSK6421

PURPOSE GROUP

Control/Trailing Arm

Supplementary Info

WISHBONE BUSH L/R

Control Trailing Arm Mounting FIRST LINE FSK6421 OE Ref 50509340 S1

Control Trailing Arm Mounting FIRST LINE OE Ref 50509340 S1 – FIRST LINE – OEM 50509339S1

This Control Trailing Arm Mounting FIRST LINE OE Ref 50509340 S1 is supplied by FIRST LINE as a replacement for OEM reference 50509339S1. It is intended for use in selected ALFA ROMEO vehicles and designed to meet original equipment fit and function requirements.

The part is identified by manufacturer reference FSK6421 and EAN EAN: 5038068395993, allowing accurate identification and compatibility verification before installation. It is suitable for replacing worn, damaged, or non-functioning components where dependable operation is required.

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

Vehicle Compatibility

Compatible with selected ALFA ROMEO models. Detailed compatibility information is available in the Compatibility section of this page.

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

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

ALFA ROMEO 50509339 S1 ALFA ROMEO 50509340 S1

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

ALFA ROMEO

ALFA ROMEO 147 (937_) From 10/2000 to 12/2010

1.9 JTD (937.AXF1A, 937.BXF1A) 4WD 06/2003-03/2010, 74 kw, 1910 ccm, 101 PS, Hatchback, Diesel , ENG: 182 B9.000

3.2 GTA (937.AXL1) 4WD 02/2003-03/2010, 184 kw, 3179 ccm, 250 PS, Hatchback, Petrol , ENG: 932 A.000

2.0 (937.AXC, 937.BXC) 4WD 07/2002-05/2005, 121 kw, 1970 ccm, 165 PS, Hatchback, Petrol , ENG: 937 A1.000

1.6 LPG (937BXB1A) 4WD 03/2001-12/2009, 88 kw, 1598 ccm, 120 PS, Hatchback, Petrol , ENG: AR 32104

1.9 JTD 16V (937.AXG1B, 937.BXG1B) 4WD 09/2003-09/2004, 93 kw, 1910 ccm, 126 PS, Hatchback, Diesel , ENG: 937 A4.000

1.6 16V T.SPARK (937.AXA1A, 937.AXB1A, 937.BXB1A) 4WD 01/2001-03/2010, 88 kw, 1598 ccm, 120 PS, Hatchback, Petrol , ENG: AR 32104

1.9 JTDM 8V (937.AXD1A, 937.AXU1A, 937.BXU1A) 4WD 07/2005-03/2010, 88 kw, 1910 ccm, 120 PS, Hatchback, Diesel , ENG: 937 A3.000

1.9 JTDM 16V (937.AXN1B, 937.AXZ1B) 4WD 06/2008-03/2010, 125 kw, 1910 ccm, 170 PS, Hatchback, Diesel , ENG: 937 A6.000

1.9 JTD 16V (937.AXG1B, 937.BXG1B) 4WD 11/2002-03/2010, 103 kw, 1910 ccm, 140 PS, Hatchback, Diesel , ENG: 192 A5.000

1.6 LPG (937AXA1A) 4WD 01/2009-03/2010, 77 kw, 1598 ccm, 105 PS, Hatchback, Petrol , ENG: AR 37203

1.9 JTD 16V (937.AXM1B, 937.AXS1B) 4WD 10/2004-03/2010, 100 kw, 1910 ccm, 136 PS, Hatchback, Diesel , ENG: 192 B1.000

1.9 JTD (937AXD1A, 937BXD1A) 4WD 10/2000-08/2002, 81 kw, 1910 ccm, 110 PS, Hatchback, Diesel , ENG: 937 A2.000

1.6 16V T.SPARK ECO (937.AXA1A, 937.BXA1A) 4WD 01/2001-03/2010, 77 kw, 1598 ccm, 105 PS, Hatchback, Petrol , ENG: AR 37203

1.9 JTDM 16V (937.AXN1B, 937.BXN1B) 4WD 09/2004-03/2010, 110 kw, 1910 ccm, 150 PS, Hatchback, Diesel , ENG: 937 A5.000

2.0 16V T.SPARK (937.AXA1, 937.AXC1, 937.BXC1) 4WD 01/2001-03/2010, 110 kw, 1970 ccm, 150 PS, Hatchback, Petrol , ENG: AR 32310

1.9 JTD (937.AXD1A, 937.BXD1A, 937.AXV1A, 937.BXB1A,... 4WD 04/2001-03/2010, 85 kw, 1910 ccm, 115 PS, Hatchback, Diesel , ENG: 939 A7.000, 937 A2.000

ALFA ROMEO 156 (932_) From 09/1997 to 10/2005

2.4 JTD (932AXF00) 4WD 06/2003-09/2005, 120 kw, 2387 ccm, 163 PS, Saloon, Diesel , ENG: 841 M.000, 841 N.000

1.9 JTD (932AXE00) 4WD 11/2002-11/2004, 100 kw, 1910 ccm, 136 PS, Saloon, Diesel , ENG: 192 B1.000

2.4 JTD (932A1B__) 4WD 10/2000-09/2005, 103 kw, 2387 ccm, 140 PS, Saloon, Diesel , ENG: 839 A6.000

1.9 JTD (932B2) 4WD 09/1997-10/2000, 77 kw, 1910 ccm, 105 PS, Saloon, Diesel , ENG: AR 32302

1.9 JTD 16V (932AXE00) 4WD 11/2002-09/2005, 103 kw, 1910 ccm, 140 PS, Saloon, Diesel , ENG: 192 A5.000

2.5 V6 24V (932A11_) 4WD 10/2000-09/2005, 141 kw, 2492 ccm, 192 PS, Saloon, Petrol , ENG: AR 32405

2.0 JTS (932AXD00, 932AXD01) 4WD 03/2001-09/2005, 119 kw, 1970 ccm, 162 PS, Saloon, Petrol , ENG: 932 A2.000

2.0 16V T.SPARK (932A2) 4WD 09/1997-06/2002, 114 kw, 1970 ccm, 155 PS, Saloon, Petrol , ENG: AR 32301, AR 32310

1.6 16V T.SPARK (932.A4, 932.A4100) 4WD 09/1997-09/2005, 88 kw, 1598 ccm, 120 PS, Saloon, Petrol , ENG: AR 32102, AR 67601, AR 32104, AR 32103

1.6 16V T.SPARK (932A4) 4WD 09/1997-09/2005, 82 kw, 1598 ccm, 112 PS, Saloon, Petrol , ENG: AR 32102

2.0 JTS (932AXA) 4WD 03/2002-09/2005, 122 kw, 1970 ccm, 166 PS, Saloon, Petrol , ENG: 937 A1.000

3.2 GTA (932AXB) 4WD 03/2002-09/2005, 184 kw, 3179 ccm, 250 PS, Saloon, Petrol , ENG: 932 A.000

1.9 JTD (932.A2B00, 932.A2C00) 4WD 05/2001-09/2005, 85 kw, 1910 ccm, 115 PS, Saloon, Diesel , ENG: 937 A2.000

2.4 JTD (932AXF00) 4WD 10/2003-09/2005, 129 kw, 2387 ccm, 175 PS, Saloon, Diesel , ENG: 841 G.000

1.9 JTD (932.AXN00, 932.BXE00) 4WD 07/2004-09/2005, 110 kw, 1910 ccm, 150 PS, Saloon, Diesel , ENG: 937 A5.000

2.4 JTD (932B1) 4WD 09/1997-09/2003, 100 kw, 2387 ccm, 136 PS, Saloon, Diesel , ENG: AR 32501

1.9 JTD (932AXE00) 4WD 11/2003-09/2005, 93 kw, 1910 ccm, 126 PS, Saloon, Diesel , ENG: 937 A4.000

1.9 JTD (932.A2B00) 4WD 10/2000-05/2001, 81 kw, 1910 ccm, 110 PS, Saloon, Diesel , ENG: AR 37101

2.5 V6 24V (932A1) 4WD 09/1997-09/2002, 140 kw, 2492 ccm, 190 PS, Saloon, Petrol , ENG: AR 32402, AR 32401

2.0 16V T.SPARK (932A21__) 4WD 10/2000-03/2002, 110 kw, 1970 ccm, 150 PS, Saloon, Petrol , ENG: AR 32310

1.8 16V T.SPARK (932.A3) 4WD 09/1997-10/2000, 106 kw, 1747 ccm, 144 PS, Saloon, Petrol , ENG: AR 32201

1.8 16V T.SPARK (932.A3100) 4WD 09/1997-09/2005, 103 kw, 1747 ccm, 140 PS, Saloon, Petrol , ENG: AR 32205

2.4 JTD (932AXC) 4WD 03/2002-09/2005, 110 kw, 2387 ccm, 150 PS, Saloon, Diesel , ENG: 841 C000

ALFA ROMEO 156 Sportwagon (932_) From 02/1997 to 05/2006

1.9 JTD (932.B2B00) 4WD 10/2000-05/2001, 81 kw, 1910 ccm, 110 PS, Estate, Diesel , ENG: AR 37101

1.6 16V T.SPARK. (932B4100) 4WD 05/2000-05/2006, 88 kw, 1598 ccm, 120 PS, Estate, Petrol , ENG: AR 32102, AR 67601, AR 32104, AR 32103

2.0 16V T.SPARK (932B21__) 4WD 10/2000-03/2002, 110 kw, 1970 ccm, 150 PS, Estate, Petrol , ENG: AR 32310

2.0 JTS (932BXA) 4WD 03/2002-05/2006, 122 kw, 1970 ccm, 166 PS, Estate, Petrol , ENG: 937 A1.000

1.8 16V T.SPARK (932B31__) 4WD 02/1997-05/2006, 103 kw, 1747 ccm, 140 PS, Estate, Petrol , ENG: AR 32205

2.4 JTD (932B1) 4WD 05/2000-09/2003, 100 kw, 2387 ccm, 136 PS, Estate, Diesel , ENG: AR 32501

2.0 JTS (932BXD00, 932BXD01) 4WD 03/2002-05/2006, 119 kw, 1970 ccm, 162 PS, Estate, Petrol , ENG: 932 A2.000

2.5 V6 24V (932A1) 4WD 02/1997-08/2003, 140 kw, 2492 ccm, 190 PS, Estate, Petrol , ENG: AR 32401

2.4 JTD (932.B1B00) 4WD 10/2000-05/2006, 103 kw, 2387 ccm, 140 PS, Estate, Diesel , ENG: 839 A6.000

1.9 JTD (932BXE00) 4WD 11/2003-05/2006, 93 kw, 1910 ccm, 126 PS, Estate, Diesel , ENG: 937 A4.000

1.8 16V T.SPARK (932A3) 4WD 05/2000-10/2000, 106 kw, 1747 ccm, 144 PS, Estate, Petrol , ENG: AR 32201

2.5 V6 24V (932B1100) 4WD 02/1997-05/2006, 141 kw, 2492 ccm, 192 PS, Estate, Petrol , ENG: AR 32405

1.9 JTD 16V (932BXE00) 4WD 11/2002-05/2006, 103 kw, 1910 ccm, 140 PS, Estate, Diesel , ENG: 192 A5.000

1.9 JTD (932BXE00, 932BXN00) 4WD 03/2005-05/2006, 110 kw, 1910 ccm, 150 PS, Estate, Diesel , ENG: 937 A5.000

2.4 JTD (932.BXC00) 4WD 03/2002-05/2006, 110 kw, 2387 ccm, 150 PS, Estate, Diesel , ENG: 841 C000

3.2 GTA (932.BXB00) 4WD 03/2002-05/2006, 184 kw, 3179 ccm, 250 PS, Estate, Petrol , ENG: 932 A.000

1.9 JTD 16V Q4 (932BXN20) 4WD 07/2004-05/2006, 110 kw, 1910 ccm, 150 PS, Estate, Diesel , ENG: 937 A5.000

1.9 JTD (932B2B, 932B2C) 4WD 05/2001-05/2006, 85 kw, 1910 ccm, 115 PS, Estate, Diesel , ENG: 937 A2.000

2.4 JTD (932BXF00) 4WD 06/2003-05/2006, 120 kw, 2387 ccm, 163 PS, Estate, Diesel , ENG: 841 M.000, 841 N.000

1.9 JTD (932B2) 4WD 05/2000-10/2000, 77 kw, 1910 ccm, 105 PS, Estate, Diesel , ENG: AR 32302

1.9 JTD (932BXE00) 4WD 11/2002-11/2004, 100 kw, 1910 ccm, 136 PS, Estate, Diesel , ENG: 192 B1.000

2.0 16V T.SPARK (932A2) 4WD 05/2000-06/2002, 114 kw, 1970 ccm, 155 PS, Estate, Petrol , ENG: AR 32301, AR 32310

2.4 JTD (932BXF00) 4WD 10/2003-05/2006, 129 kw, 2387 ccm, 175 PS, Estate, Diesel , ENG: 841 G.000

ALFA ROMEO GT (937_) From 11/2003 to 09/2010

1.9 JTD (937CXN1B) 4WD 11/2003-09/2010, 110 kw, 1910 ccm, 150 PS, Coupe, Diesel , ENG: 937 A5.000

2.0 JTS (937CXH1A, 937CXH11) 4WD 11/2003-09/2010, 121 kw, 1970 ccm, 165 PS, Coupe, Petrol , ENG: 932 A2.000, 937 A1.000

1.9 JTD (937CXN1B, 937CXZ1B) 4WD 05/2008-09/2010, 125 kw, 1910 ccm, 170 PS, Coupe, Diesel , ENG: 937 A6.000

3.2 GTA (937CXP1B) 4WD 11/2003-09/2010, 176 kw, 3179 ccm, 240 PS, Coupe, Petrol , ENG: 936 A.000

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.