It is necessary to choose your car model, otherwise you risk buying an item that does not fit. Please note that our search function only provides results relevant to a certain vehicle type.
Shock absorber, Suspension kit, Shock absorbers 2043263700
An OEM number is a unique code containing letters and digits.
Car manufacturers use them to mark every part inside their cars.
A non-original car part carrying an OEM number demonstrates that the part meets stringent car manufacturer standards and its parameters and technical specifications are identical to original equipment.
All spare parts in the list below are equivalent to OEM number 204 326 37 00:
- 204 326 37 00 (original number of MERCEDES-BENZ)
- 204 326 37 00 (original number of LAND ROVER)
45 items
Shock absorber RIDEX 204 326 37 00Rear Axle, Gas Pressure, 585x386 mm, Monotube, Telescopic Shock Absorber
Article number: 854S0404
Reviews - 10
- Fitting Position: Rear Axle
- Shock Absorber System: Monotube
- Shock Absorber Type: Gas Pressure
- Shock Absorber Design: Telescopic Shock Absorber
- Shock Absorber Mounting Type: Top pin, Bottom eye
- max. length [mm]: 585
- min. length [mm]: 386
- Item number: 854S0404
- Manufacturer: RIDEX
- EAN number: 4059191100477
- Condition: New
- Reference number OEM: 2043263700
Show OEM numbers of the product
Details
In stock
-65%
compared to
RRP 62,70 €
21,49 €
Price per item
42,98 € / Price per 2 items
price incl. 19% VAT
excl. delivery costs
Shock absorber RIDEX 204 326 37 00Rear Axle, Gas Pressure, 585x386 mm, Monotube, Twin-Tube, Telescopic Shock Absorber
Article number: 854S1605
Reviews - 11
- Fitting Position: Rear Axle
- Shock Absorber System: Monotube, Twin-Tube
- Shock Absorber Type: Gas Pressure
- Shock Absorber Design: Telescopic Shock Absorber
- Shock Absorber Mounting Type: Top pin, Bottom eye
- max. length [mm]: 585
- min. length [mm]: 386
- Quantity per axle: 1
- Item number: 854S1605
- Manufacturer: RIDEX
- EAN number: 4059191618743
- Condition: New
- Reference number OEM: 2043263700
Show OEM numbers of the product
Contents of the Shock absorber RIDEX set:
Description of the product
Units
Article number
Details
In stock
-65%
compared to
RRP 62,70 €
21,49 €
Price per item
42,98 € / Price per 2 items
price incl. 19% VAT
excl. delivery costs
Shock absorber STARK 204 326 37 00Rear Axle, Gas Pressure, 585x386 mm, Monotube, Telescopic Shock Absorber
Article number: SKSA-0130978
Submit a review
- Fitting Position: Rear Axle
- Shock Absorber System: Monotube
- Shock Absorber Type: Gas Pressure
- Shock Absorber Design: Telescopic Shock Absorber
- Shock Absorber Mounting Type: Top pin, Bottom eye
- max. length [mm]: 585
- min. length [mm]: 386
- Item number: SKSA-0130978
- Manufacturer: STARK
- EAN number: 4059191291885
- Condition: New
- Reference number OEM: 2043263700
Show OEM numbers of the product
Details
In stock
-63%
compared to
RRP 59,50 €
21,49 €
Price per item
42,98 € / Price per 2 items
price incl. 19% VAT
excl. delivery costs
Shock absorber STARK 204 326 37 00Rear Axle, Gas Pressure, 585x386 mm, Monotube, Twin-Tube, Telescopic Shock Absorber
Article number: SKSA-0132716
Reviews - 4
- Fitting Position: Rear Axle
- Shock Absorber System: Monotube, Twin-Tube
- Shock Absorber Type: Gas Pressure
- Shock Absorber Design: Telescopic Shock Absorber
- Shock Absorber Mounting Type: Top pin, Bottom eye
- max. length [mm]: 585
- min. length [mm]: 386
- Quantity per axle: 1
- Item number: SKSA-0132716
- Manufacturer: STARK
- EAN number: 4059191447404
- Condition: New
- Reference number OEM: 2043263700
Show OEM numbers of the product
Contents of the Shock absorber STARK set:
Description of the product
Units
Article number
Details
Get a bonus of 1,10 € when you purchase this product
You will receive 1,10 € in your bonus account if you buy this product:
- Accumulate your bonuses through purchasing items marked “BONUS";
- Pay for up to 10% of your order with the accumulated bonuses;
In stock
-63%
compared to
RRP 59,50 €
21,49 €
Price per item
42,98 € / Price per 2 items
price incl. 19% VAT
excl. delivery costs
Shock absorber ABAKUS 204 326 37 00Rear Axle, Gas Pressure, Monotube, Telescopic Shock Absorber
Article number: 232-02-190
Reviews - 1
- Fitting Position: Rear Axle
- Shock Absorber System: Monotube
- Shock Absorber Type: Gas Pressure
- Shock Absorber Design: Telescopic Shock Absorber
- Shock Absorber Mounting Type: Top pin, Bottom eye
- Assy. / disassy. by qualified personnel required!
- Item number: 232-02-190
- Manufacturer: ABAKUS
- EAN number: 224657220093812200938
- Condition: New
- Reference number OEM: 2043263700
Show OEM numbers of the product
Details
In stock (Item(s) left: 4)
-30%
compared to
RRP 32,89 €
22,99 €
Price per item
45,98 € / Price per 2 items
price incl. 19% VAT
excl. delivery costs
Shock absorber NTY 204 326 37 00Rear Axle, Gas Pressure, Telescopic Shock Absorber
Article number: A-ME-041
Reviews - 2
- Fitting Position: Rear Axle
- Shock Absorber Type: Gas Pressure
- Shock Absorber Design: Telescopic Shock Absorber
- Shock Absorber Mounting Type: Top pin, Bottom eye
- Fabrication Number: A-ME-041
- Item number: A-ME-041
- Manufacturer: NTY
- EAN number: 5902048341983
- Condition: New
- Reference number OEM: 2043263700
Show OEM numbers of the product
Details
In stock (Item(s) left: 6)
23,49 €
46,98 € / Price per 2 items
price incl. 19% VAT
excl. delivery costs
Shock absorber GH 204 326 37 00Rear Axle, Rear Axle Right, Rear Axle Left, Gas Pressure, Twin-Tube, Telescopic Shock Absorber
Article number: GH-333387
Submit a review
- Fitting Position: Rear Axle, Rear Axle Right, Rear Axle Left
- Shock Absorber System: Twin-Tube
- Shock Absorber Type: Gas Pressure
- Shock Absorber Design: Telescopic Shock Absorber
- Shock Absorber Mounting Type: Bottom eye, Top pin
- Item number: GH-333387
- Manufacturer: GH
- EAN number: 425153080837
- Condition: New
- Reference number OEM: 2043263700
Show OEM numbers of the product
Details
Shock absorber DACO Germany 204 326 37 00Rear Axle, Gas Pressure, Monotube, Telescopic Shock Absorber
Article number: 562310
Reviews - 6
- Fitting Position: Rear Axle
- Shock Absorber System: Monotube
- Shock Absorber Type: Gas Pressure
- Shock Absorber Design: Telescopic Shock Absorber
- Shock Absorber Mounting Type: Bottom eye, Top pin
- Item number: 562310
- Manufacturer: DACO Germany
- EAN number: 4260426627960
- Condition: New
- Reference number OEM: 2043263700
Show OEM numbers of the product
Details
Shock absorber JP GROUP 204 326 37 00Rear Axle, Gas Pressure, Monotube, Telescopic Shock Absorber
Article number: 1352102900
Submit a review
- Fitting Position: Rear Axle
- Shock Absorber System: Monotube
- Shock Absorber Type: Gas Pressure
- Shock Absorber Design: Telescopic Shock Absorber
- Shock Absorber Mounting Type: Top pin, Bottom eye
- Item number: 1352102900
- Manufacturer: JP GROUP
- EAN number: 5710412506513
- Condition: New
- Reference number OEM: 2043263700
Show OEM numbers of the product
Details
In stock
-34%
compared to
RRP 54,85 €
35,99 €
Price per item
71,98 € / Price per 2 items
price incl. 19% VAT
excl. delivery costs
Shock absorber Oyodo 204 326 37 00Rear Axle, Gas Pressure, Monotube, Telescopic Shock Absorber
Article number: 20A9382-OYO
Submit a review
- Fitting Position: Rear Axle
- Shock Absorber System: Monotube
- Shock Absorber Type: Gas Pressure
- Shock Absorber Design: Telescopic Shock Absorber
- Shock Absorber Mounting Type: Bottom eye, Top pin
- Item number: 20A9382-OYO
- Manufacturer: Oyodo
- EAN number: 226984259674062596740
- Condition: New
- Reference number OEM: 2043263700
Show OEM numbers of the product
Details
Shock absorber ASHIKA 204 326 37 00Rear Axle, Gas Pressure, Telescopic Shock Absorber
Article number: MA-00319
Reviews - 1
- Fitting Position: Rear Axle
- Shock Absorber Type: Gas Pressure
- Shock Absorber Design: Telescopic Shock Absorber
- Shock Absorber Mounting Type: Top pin, Bottom eye
- for OE number: A2043260200
- Item number: MA-00319
- Manufacturer: ASHIKA
- EAN number: 8052553028606
- Condition: New
- Reference number OEM: 2043263700
Show OEM numbers of the product
Details
Shock absorber JAPKO 204 326 37 00Rear Axle, Gas Pressure, Telescopic Shock Absorber
Article number: MJ00319
Reviews - 1
- Fitting Position: Rear Axle
- Shock Absorber Type: Gas Pressure
- Shock Absorber Design: Telescopic Shock Absorber
- Shock Absorber Mounting Type: Top pin, Bottom eye
- for OE number: A2043260200
- Item number: MJ00319
- Manufacturer: JAPKO
- EAN number: 8052553028613
- Condition: New
- Reference number OEM: 2043263700
Show OEM numbers of the product
Details
In stock (Item(s) left: 2)
37,99 €
Price per item
75,98 € / Price per 2 items
price incl. 19% VAT
excl. delivery costs
Shock absorber KAMOKA 204 326 37 00Rear Axle, Gas Pressure, Monotube, Suspension Strut
Article number: 2000072
Submit a review
- Fitting Position: Rear Axle
- Shock Absorber System: Monotube
- Shock Absorber Type: Gas Pressure
- Shock Absorber Design: Suspension Strut
- Shock Absorber Mounting Type: Bottom eye, Top pin
- Item number: 2000072
- Manufacturer: KAMOKA
- EAN number: 2218515832077
- Condition: New
- Reference number OEM: 2043263700
Show OEM numbers of the product
Details
In stock (Item(s) left: 6)
38,99 €
Price per item
77,98 € / Price per 2 items
price incl. 19% VAT
excl. delivery costs
Shock absorber SNR 204 326 37 00Rear Axle, Gas Pressure, 588x40 mm, Twin-Tube, Telescopic Shock Absorber
Article number: SA95113.07
Submit a review
- Fitting Position: Rear Axle
- Shock Absorber System: Twin-Tube
- Shock Absorber Type: Gas Pressure
- Shock Absorber Design: Telescopic Shock Absorber
- Shock Absorber Mounting Type: Bottom eye, Top pin
- max. length [mm]: 588
- Piston Rod Diameter [mm]: 12
- Standpipe Diameter [mm]: 40
- Piston Rod Thread: M10x100
- Item number: SA95113.07
- Manufacturer: SNR
- EAN number: 3413522187727
- Condition: New
- Reference number OEM: 2043263700
Show OEM numbers of the product
Details
In stock (Item(s) left: 4)
39,49 €
Price per item
78,98 € / Price per 2 items
price incl. 19% VAT
excl. delivery costs
Shock absorber Magnum Technology 204 326 37 00Rear Axle, Gas Pressure, Monotube, Suspension Strut
Article number: AGM093MT
Submit a review
- Fitting Position: Rear Axle
- Shock Absorber System: Monotube
- Shock Absorber Type: Gas Pressure
- Shock Absorber Design: Suspension Strut
- Shock Absorber Mounting Type: Top pin, Bottom eye
- Length [mm]: 408, 590
- Item number: AGM093MT
- Manufacturer: Magnum Technology
- EAN number: 5901655150292
- Condition: New
- Reference number OEM: 2043263700
Show OEM numbers of the product
Details
Shock absorber MONROE 204 326 37 00Gas Pressure, Monotube, Telescopic Shock Absorber
Article number: 376039SP
Reviews - 15
- Shock Absorber System: Monotube
- Shock Absorber Type: Gas Pressure
- Shock Absorber Design: Telescopic Shock Absorber
- Shock Absorber Mounting Type: Bottom eye, Top pin
- Piston Rod Diameter [mm]: 11
- Weight [kg]: 1,500
- Length [mm]: 408, 590
- Bore Diameter [mm]: 36
- Article number of recommended accessories: MK377A, PK340
- Packaging length [cm]: 50,5
- Packaging width [cm]: 6,5
- Packaging height [cm]: 6,5
- Item number: 376039SP
- Manufacturer: MONROE
- EAN number: 5412096558238
- Condition: New
- Reference number OEM: 2043263700
Show OEM numbers of the product
Details
In stock
-71%
compared to
RRP 167,54 €
47,99 €
Price per item
95,98 € / Price per 2 items
price incl. 19% VAT
excl. delivery costs
Shock absorber BSG 204 326 37 00Rear Axle, Gas Pressure, Monotube
Article number: BSG 60-300-048
Submit a review
- Fitting Position: Rear Axle
- Shock Absorber System: Monotube
- Shock Absorber Type: Gas Pressure
- Shock Absorber Mounting Type: Top pin, Bottom eye
- Parameter: ET36 / 11X162A
- Component Number: BSG 60-300-048
- Item number: BSG 60-300-048
- Manufacturer: BSG
- EAN number: 8719822054635
- Condition: New
- Reference number OEM: 2043263700
Show OEM numbers of the product
Details
Free delivery on this item
In stock (Item(s) left: 3)
48,49 €
Price per item
96,98 € / Price per 2 items
price incl. 19% VAT
Shock absorber MAPCO 204 326 37 00Rear Axle, Gas Pressure, Twin-Tube, Absorber does not carry a spring
Article number: 40855
Submit a review
- Fitting Position: Rear Axle
- Shock Absorber System: Twin-Tube
- Shock Absorber Type: Gas Pressure
- Shock Absorber Design: Absorber does not carry a spring
- Shock Absorber Mounting Type: Top pin, Bottom eye
- Replace in pairs only
- Required quantity: 2
- Item number: 40855
- Manufacturer: MAPCO
- EAN number: 4043605871848
- Condition: New
- Reference number OEM: 2043263700
Show OEM numbers of the product
Details
In stock
-70%
compared to
RRP 179,69 €
52,99 €
Price per item
105,98 € / Price per 2 items
price incl. 19% VAT
excl. delivery costs
Shock absorber TRUCKTEC AUTOMOTIVE 204 326 37 00Rear Axle, Gas Pressure, Suspension Strut
Article number: 02.30.294
Reviews - 1
- Fitting Position: Rear Axle
- Shock Absorber Type: Gas Pressure
- Shock Absorber Design: Suspension Strut
- Shock Absorber Mounting Type: Bottom eye
- for OE number: 204 326 2800
- Item number: 02.30.294
- Manufacturer: TRUCKTEC AUTOMOTIVE
- EAN number: 4038081994419
- Condition: New
- Reference number OEM: 2043263700
Show OEM numbers of the product
Details
In stock
-11%
compared to
RRP 60,81 €
53,99 €
Price per item
107,98 € / Price per 2 items
price incl. 19% VAT
excl. delivery costs
Shock absorber QUINTON HAZELL 204 326 37 00Gas Pressure, Twin-Tube, Suspension Strut
Article number: QAG181143
Submit a review
- Shock Absorber System: Twin-Tube
- Shock Absorber Type: Gas Pressure
- Shock Absorber Design: Suspension Strut
- Shock Absorber Mounting Type: Top pin, Bottom Pin
- Item number: QAG181143
- Manufacturer: QUINTON HAZELL
- EAN number: 5050438416701
- Condition: New
- Reference number OEM: 2043263700
Show OEM numbers of the product
Details
In stock
-50%
compared to
RRP 117,45 €
57,99 €
Price per item
115,98 € / Price per 2 items
price incl. 19% VAT
excl. delivery costs
Shock absorber TRW 204 326 37 00Rear Axle, Gas Pressure, Monotube, Twin-Tube, Telescopic Shock Absorber, SINGLE
Article number: JGT1288S
Submit a review
- Fitting Position: Rear Axle
- Shock Absorber System: Monotube, Twin-Tube
- Shock Absorber Type: Gas Pressure
- Supplementary Info: SINGLE
- Shock Absorber Design: Telescopic Shock Absorber
- Shock Absorber Mounting Type: Top pin, Bottom eye
- Item number: JGT1288S
- Manufacturer: TRW
- EAN number: 3322938281014
- Condition: New
- Reference number OEM: 2043263700
Show OEM numbers of the product
Details
Free delivery on this item
In stock
-66%
compared to
RRP 183,62 €
60,99 €
121,98 € / Price per 2 items
price incl. 19% VAT
Shock absorber TRW 204 326 37 00Rear Axle, Gas Pressure, Monotube, Twin-Tube, Telescopic Shock Absorber, TWIN
Article number: JGT1288T
Reviews - 1
- Fitting Position: Rear Axle
- Shock Absorber System: Monotube, Twin-Tube
- Shock Absorber Type: Gas Pressure
- Supplementary Info: TWIN
- Shock Absorber Design: Telescopic Shock Absorber
- Shock Absorber Mounting Type: Top pin, Bottom eye
- Item number: JGT1288T
- Manufacturer: TRW
- EAN number: 3322938281007
- Condition: New
- Reference number OEM: 2043263700
Show OEM numbers of the product
Details
Free delivery on this item
In stock
-67%
compared to
RRP 184,87 €
60,99 €
Price per item
121,98 € / Price per 2 items
price incl. 19% VAT
Shock absorber JAPANPARTS 204 326 37 00Rear Axle, Gas Pressure, Telescopic Shock Absorber
Article number: MM-00319
Reviews - 2
- Fitting Position: Rear Axle
- Shock Absorber Type: Gas Pressure
- Shock Absorber Design: Telescopic Shock Absorber
- Shock Absorber Mounting Type: Top pin, Bottom eye
- for OE number: A2043260200
- Item number: MM-00319
- Manufacturer: JAPANPARTS
- EAN number: 8052553028590
- Condition: New
- Reference number OEM: 2043263700
Show OEM numbers of the product
Details
Free delivery on this item
In stock
62,49 €
Price per item
124,98 € / Price per 2 items
price incl. 19% VAT
Shock absorber MASTER-SPORT 204 326 37 00Rear Axle, Gas Pressure, Monotube, Suspension Strut
Article number: 317266-PCS-MS
Submit a review
- Fitting Position: Rear Axle
- Shock Absorber System: Monotube
- Shock Absorber Type: Gas Pressure
- Shock Absorber Design: Suspension Strut
- Shock Absorber Mounting Type: Top pin, Bottom eye
- Net weight [kg]: 1,39
- Gross Weight [kg]: 1,48
- Item number: 317266-PCS-MS
- Manufacturer: MASTER-SPORT
- EAN number: 4251729666480
- Condition: New
- Reference number OEM: 2043263700
Show OEM numbers of the product
Details
Free delivery on this item
In stock
-39%
compared to
RRP 104,37 €
62,99 €
Price per item
125,98 € / Price per 2 items
price incl. 19% VAT
Shock absorber MEYLE 204 326 37 00Rear Axle, Gas Pressure, Monotube, Telescopic Shock Absorber, ORIGINAL Quality
Article number: 026 725 0019
Reviews - 2
- Fitting Position: Rear Axle
- Shock Absorber System: Monotube
- Shock Absorber Type: Gas Pressure
- Supplementary Info: ORIGINAL Quality
- Shock Absorber Design: Telescopic Shock Absorber
- Shock Absorber Mounting Type: Top pin, Bottom eye
- Replace in pairs only
- Article number of recommended accessories: 014 741 0000
- Item number: 026 725 0019
- Manufacturer: MEYLE
- EAN number: 4040074088500
- Condition: New
- Reference number OEM: 2043263700
Show OEM numbers of the product
Details
Free delivery on this item
In stock
-65%
compared to
RRP 182,60 €
63,49 €
Price per item
126,98 € / Price per 2 items
price incl. 19% VAT
Shock absorber SACHS 204 326 37 00Gas Pressure, Monotube, Telescopic Shock Absorber
Article number: 317 266
Reviews - 10
- Shock Absorber System: Monotube
- Shock Absorber Type: Gas Pressure
- Shock Absorber Design: Telescopic Shock Absorber
- Shock Absorber Mounting Type: Top pin, Bottom eye
- Parameter: ETOV36 / 11X162A
- Item number: 317 266
- Manufacturer: SACHS
- EAN number: 4013872903412
- Condition: New
- Reference number OEM: 2043263700
Show OEM numbers of the product
Details
Free delivery on this item
In stock
-66%
compared to
RRP 212,53 €
70,99 €
Price per item
141,98 € / Price per 2 items
price incl. 19% VAT
Shock absorber KYB 204 326 37 00Rear Axle, Gas Pressure, Monotube, Telescopic Shock Absorber
Article number: 553381
Reviews - 6
- Fitting Position: Rear Axle
- Shock Absorber System: Monotube
- Shock Absorber Type: Gas Pressure
- Product line: Gas-A-Just
- Shock Absorber Design: Telescopic Shock Absorber
- Shock Absorber Mounting Type: Top pin, Bottom eye
- Item number: 553381
- Manufacturer: KYB
- EAN number: 4909500827406
- Condition: New
- Reference number OEM: 2043263700
Show OEM numbers of the product
Details
Free delivery on this item
In stock
-51%
compared to
RRP 159,16 €
76,99 €
Price per item
153,98 € / Price per 2 items
price incl. 19% VAT
Shock absorber BILSTEIN 204 326 37 00Rear Axle, Gas Pressure, Monotube, Absorber does not carry a spring
Article number: 24-166218
Reviews - 7
- Fitting Position: Rear Axle
- Shock Absorber System: Monotube
- Shock Absorber Type: Gas Pressure
- Product line: B4 OE Replacement (DampMatic®)
- Shock Absorber Design: Absorber does not carry a spring
- Shock Absorber Mounting Type: Bottom eye, Top pin
- Item number: 24-166218
- Manufacturer: BILSTEIN
- EAN number: 4025258638276
- Condition: New
- Reference number OEM: 2043263700
Show OEM numbers of the product
Details
Free delivery on this item
In stock
-64%
compared to
RRP 241,57 €
86,49 €
Price per item
172,98 € / Price per 2 items
price incl. 19% VAT
Shock absorber OPTIMAL 204 326 37 00Rear Axle Left, Rear Axle Right, Gas Pressure, Monotube, Telescopic Shock Absorber
Article number: A-3799G
Submit a review
- Fitting Position: Rear Axle Left, Rear Axle Right
- Suspension: for vehicles with standard suspension
- Shock Absorber System: Monotube
- Shock Absorber Type: Gas Pressure
- Shock Absorber Design: Telescopic Shock Absorber
- Shock Absorber Mounting Type: Bottom eye, Top pin
- Piston Rod Diameter [mm]: 10
- Thread Size: M10x1
- Suspension Strut Outer Diameter [mm]: 40
- Piston Rod Length [mm]: 216
- Article number of recommended accessories: AK-735224, F8-7626
- Item number: A-3799G
- Manufacturer: OPTIMAL
- EAN number: 4031185296069
- Condition: New
- Reference number OEM: 2043263700
Show OEM numbers of the product
Details
Free delivery on this item
In stock
-35%
compared to
RRP 149,00 €
96,49 €
Price per item
192,98 € / Price per 2 items
price incl. 19% VAT
Shock absorber KONI 204 326 37 00Gas Pressure, 584x402 mm, Twin-Tube, Built-in adjustable, Telescopic Shock Absorber
Article number: 8045-1296
Submit a review
- Shock Absorber System: Twin-Tube, Built-in adjustable
- Shock Absorber Type: Gas Pressure
- Shock Absorber Design: Telescopic Shock Absorber
- Shock Absorber Mounting Type: Bottom eye, Top pin
- max. length [mm]: 584
- min. length [mm]: 402
- Colour: red
- Packaging length [cm]: 640
- Packaging width [cm]: 65
- Packaging height [cm]: 65
- Item number: 8045-1296
- Manufacturer: KONI
- EAN number: 8712167164243
- Condition: New
- Reference number OEM: 2043263700
Show OEM numbers of the product
Details
Free delivery on this item
In stock (Item(s) left: 4)
-9%
compared to
RRP 124,49 €
112,99 €
Price per item
225,98 € / Price per 2 items
price incl. 19% VAT
Load more
- 1
- 2
The best offers: