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VALVE AS-BYPASS 1298034 - Caterpillar


1298034 VALVE AS-BYPASS Caterpillar parts 2384C, 2484C, 311B, 312B, 312B L, 315B L, 317B LN, 318B, 320B, 320B L, 320C, 320C FM, 320C L, 320D, 320D FM, 320D GC, 320D L, 320D LN, 320D2, 320D2 GC, 320D2 L, 321B, 322B L, 322B LN, 322C, 322C FM, 3...
Rating:
70
Alternative (cross code) number:
CA1298034
129-8034
1298034
Caterpillar 1298034 VALVE AS-BYPASS
Weight: 0.39 pounds 0 kg.

Buy VALVE AS-BYPASS 1298034 Caterpillar genuine, new aftermarket tractor parts with delivery
EXCAVATOR, WHEELED EXCAVATOR,

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$135.00

20 Oct 2025

CN: LINQIN-Parts st
Hydraulic Flow Control Valve Check Valve 129-8034 1298034 Compatible with CAT 320D 323D2 336D 340D2 345D 349D2 Excavator
Hdnverys Product Name:Hydraulic Flow Control Valve Check Valve || Part Number:129-8034 1298034 || Application:Compatible with CAT 320D 323D2 336D 340D2 345D 349D2 Excavator || TIP:Please purchase based on the old part number. Do not place orders based on appearance or vehicle model!If you don't know the Part number of your old parts, please contact us! || NOTE:There are numerous types of products, and it's impossible to list them all! If you can't find the part number you need, please consult us! We will provide a quotation in a timely manner!
$135.00

20 Oct 2025

CN: Fikowjs-Machine
Hydraulic Flow Control Valve Check Valve 129-8034 1298034 Compatible with CAT 320D 323D2 336D 340D2 345D 349D2 Excavator
Fikowjs TIP: Please purchase according to the old part number, appearance is not able to judge the accuracy of the product. || Product Name:Hydraulic Flow Control Valve Check Valve || Part Number:129-8034 1298034 || Application:Compatible with CAT 320D 323D2 336D 340D2 345D 349D2 Excavator || NOTE: There are many kinds of products in Fikowjs parts, if you can't find the part number you need, please consult us, we will reply soon!
$37.00

20 Oct 2025

CN: YIKAaaa-us
Hydraulic Oil Tank Return Check Valve Pressure Valve, Compatible with Caterpillar E320A, 1298034, 12V, excavator Replacement Part (1298034)
Generic Hydraulic Oil Tank Return Check Valve Pressure Valve, Compatible with Caterpillar E320A, 1298034, 12V, excavator Replacement Part
Number on catalog scheme: 2
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Information:


Table 1
Diagnostic Trouble Codes    
J1939 Code    CDL Code    Code Description
(code descriptions may vary)    Comments    
625-14     246-14     Proprietary Data Link : Special Instruction     The code is logged.    
5576-14     3468-14     Aftertreatment #1 Identification Number Module : Special Instruction     The code is logged.    
5577-14     3469-14     Aftertreatment #2 Identification : Special Instruction     The code is logged.    
5588-14     E1132 (2)     Proprietary Network #2 : Special Instruction     The code is logged.    
Table 2
Associated Diagnostic Trouble Codes    
J1939 Code     CDL Code    
639-9     247-9    
639-14     247-14    
1231-9     2348-9    
1231-14     2348-14    
1235-9     5856-9    
1235-14     5856-14    Complete the procedure in the order in which the steps are listed.
Table 3
Troubleshooting Test Steps    Values    Results    
1. Check for an Associated Code
A. Establish communication between the Cat® Electronic Technician (ET) and the Electronic Control Module (ECM) for the engine.
B. Download a "Warranty Report" from the engine ECM before performing any troubleshooting or clearing diagnostic trouble codes.
   
Associated Trouble Code
   
Result: An associated -9 or -14 code is active or logged.
Repair: Repair all associated -9 or -14 codes before continuing with this procedure. Refer to Troubleshooting, "Data Link - Test".
Result: A 3468-14, 3469-14, 5576-14, or 5577-14 code is active or logged.
Proceed to Test Step 2.
Result: A 246-14, 625-14, 5588 -14 or E1132 (2) code is active or logged.
Proceed to Test Step 3.
   
2. Check the Configuration Parameters
A. Check the Clean Emissions Module (CEM) serial number located on the CEM data plate.
B. Connect to Cat® ET.
C. Connect to the "Engine #1 Aftertreatment Controller". Under "Aftertreatment Configuration" in the Configuration Parameters, make sure that the "Factory Installed Aftertreatment Identification Number" matches the CEM serial number.    
Serial Number
   
Result: The CEM serial number matches the "Factory Installed Aftertreatment Identification Number".
Repair: Replace the Aftertreatment Identification module.
Verify that the problem is resolved.
Result: The CEM serial number does not match the "Factory Installed Aftertreatment Identification Number".
Repair: Verify that the correct CEM is installed on the engine. Program the CEM serial number into the "Factory Installed Aftertreatment Identification Number".
Verify that the problem is resolved.
   
3. Check the Software in the "Engine #1 Aftertreatment Controller"
A. Update the software in the "Engine #1 Aftertreatment Controller".
Note: This code indicates that the software in the Engine ECM and the "Engine #1 Aftertreatment Controller" do not match. If the software in one ECM was updated, and the other was not, this code will log.
   
Compatible Software
   
Result: The software updated successfully and the code changed to logged.
Return the unit to service.
   

Cat SIS web machinery list:

Caterpillar parts catalog
320D3 Excavator ESX00001-UP (MACHINE) POWERED BY ALUW06DTI Engine
323D3 Excavator FEY00001-UP (MACHINE) POWERED BY C7.1 Engine
579D Knuckleboom Loader KL700001-UP (MACHINE) POWERED BY C4.4 Engine
559D Knuckleboom Loader KL500001-UP (MACHINE) POWERED BY C4.4 Engine
2484D Knuckleboom Loader KP700001-UP (MACHINE) POWERED BY C4.4 Engine
2384D Knuckleboom Loader KP500001-UP (MACHINE) POWERED BY C4.4 Engine
Custom Support Literature for the 322C FM LGP BYL00001-UP (MACHINE)
539 Knuckle Boom Loader 1PZ00001-UP (MACHINE) POWERED BY 3126 Engine
559C KNUCKLEBOOM LOADER KAS00001-UP (MACHINE) POWERED BY C6.6 Engine
2384C KNUCKLEBOOM LOADER KAW00001-UP (MACHINE) POWERED BY C6.6 Engine
579C KNUCKLEBOOM LOADER KAX00001-UP (MACHINE) POWERED BY C6.6 Engine
2484C KNUCKLEBOOM LOADER KAZ00001-UP (MACHINE) POWERED BY C6.6 Engine
M325D MH & M325D L MH Wheeled Material Handler ETE00001-UP (MACHINE) POWERED BY C7 Engine
559C KNUCKLEBOOM LOADER KB400001-UP (MACHINE) POWERED BY C6.6 Engine
579C KNUCKLEBOOM LOADER KB500001-UP (MACHINE) POWERED BY C6.6 Engine
2384C KNUCKLEBOOM LOADER KB600001-UP (MACHINE) POWERED BY C6.6 Engine
2484C KNUCKLEBOOM LOADER KB700001-UP (MACHINE) POWERED BY C6.6 Engine
320D2 Excavator XBA00001-UP (MACHINE) POWERED BY C7.1 Engine
323D2 L Excavator JEX00001-UP (MACHINE) POWERED BY C7.1 Engine
326D2 L Excavator LCW00001-UP (MACHINE) POWERED BY C7.1 Engine
320D2 GC Excavator YBJ00001-UP (MACHINE) POWERED BY C4.4 Engine
320D2 & 320D2 L Excavators YBK00001-UP (MACHINE) POWERED BY C7.1 Engine
320D2 Excavator WBY00001-UP (MACHINE) POWERED BY C7.1 Engine
320D2 & 320D2 L Excavators TGJ00001-UP (MACHINE) POWERED BY C7.1 Engine
330D2 L Excavator XDR00001-UP (MACHINE) POWERED BY C7.1 Engine
336D2 L Excavator MBP00001-UP (MACHINE) POWERED BY C9 Engine
336D2 L OEM GGH00001-UP (MACHINE) POWERED BY C9 Engine
330D2 L OEM EX700001-UP (MACHINE) POWERED BY C7.1 Engine
336D2 L OEM EF300001-UP (MACHINE) POWERED BY C9 Engine
326D2 L OEM HM400001-UP (MACHINE) POWERED BY C7.1 Engine
320D2 & 320D2 L Excavators ESG00001-UP (MACHINE) POWERED BY C7.1 Engine
320D2 L Excavator XCC00001-UP (MACHINE) POWERED BY C7.1 Engine
330D2 L Mobile Hydraulic Power Unit HER00001-UP (MACHINE) POWERED BY C7.1 Engine
336D2 L Excavator DGR00001-UP (MACHINE) POWERED BY C9 Engine
326D2 L Excavator KER00001-UP (MACHINE) POWERED BY C7.1 Engine
326D2 L Excavator JFG00001-UP (MACHINE) POWERED BY C7.1 Engine
326D2 L Excavator LJE00001-UP (MACHINE) POWERED BY C7.1 Engine
336D2 L Excavator TMC00001-UP (MACHINE) POWERED BY C9 Engine
330D2 L Excavator EBP00001-UP (MACHINE) POWERED BY C7.1 Engine
330D2 L Excavator DTG00001-UP (MACHINE) POWERED BY C7.1 Engine
330D2 L Excavator FEX00001-UP (MACHINE) POWERED BY C7.1 Engine
330C Excavator MSD00001-UP (MACHINE) POWERED BY C-9 Engine
330D Custom Waste Handler JJM00001-UP (MACHINE) POWERED BY C9 Engine
CUSTOM SUPPORT LITERATURE FOR THE 324D FM LGP JGK00001-UP (MACHINE)
325B L Excavator 2JR00001-UP (MACHINE) POWERED BY 3116 Engine
330B L Excavator 6DR00001-UP (MACHINE) POWERED BY 3306 Engine
325B & 325B LN Excavators 6DN00001-UP (MACHINE) POWERED BY 3116 Engine
322B L Excavator 1YS00001-UP (MACHINE) POWERED BY 3116 Engine
330B L, 330B LN Excavators 3YR00001-UP (MACHINE) POWERED BY 3306 Engine
322B L & 322B LN Excavators 1ZS00001-UP (MACHINE) POWERED BY 3116 Engine
325B L & 325B LN Excavators 4DS00001-UP (MACHINE) POWERED BY 3116 Engine
330B & 330B L Excavators 4RS00001-UP (MACHINE) POWERED BY 3306 Engine
345B and 345B L Excavators 4SS00001-UP (MACHINE)
312B & 312B L Excavators 2KW00001-UP (MACHINE) POWERED BY 3054 Engine
345B, 345B L & 345B LC Excavator 2SW00001-UP (MACHINE) POWERED BY 3176C Engine
320B & 320B L Excavators 4XW00001-UP (MACHINE) POWERED BY 3066 Engine
315B L Excavator 5SW00001-UP (MACHINE) POWERED BY 3054 Engine
318B L and 318B LN Excavators ADC00001-UP (MACHINE) POWERED BY 3046 Engine
345B Excavator 2NW00001-UP (MACHINE) POWERED BY 3176C Engine
320B, 320B L, 320B LN, 320B N & 320B S Excavators 1XS00001-UP (MACHINE) POWERED BY 3116 Engine
365B L Excavators 9PZ00001-UP (MACHINE) POWERED BY 3196 Engine
320C, 320C L, 320C LN, 320C S Excavators BBL00001-UP (MACHINE) POWERED BY 3066 Engine
317B L & 317B LN Excavators 6DZ00001-UP (MACHINE) POWERED BY 3046 Engine
365B L Excavator AGD00001-UP (MACHINE) POWERED BY 3196 Engine
318B L & 318B LN Excavators 3LR00001-UP (MACHINE) POWERED BY 3046 Engine
345B L Series II Excavators AGS00001-UP (MACHINE) POWERED BY 3176C Engine
W330B MH Excavator AME00001-UP (MACHINE) POWERED BY 3306 Engine
345B Series II Material Handler APB00001-UP (MACHINE) POWERED BY 3176C Engine
W345B Series II Material Handlers ANJ00001-UP (MACHINE) POWERED BY 3176C Engine
320C & 320C L Excavators AMC00001-UP (MACHINE) POWERED BY 3066 Engine
345B & 345B L Series II Excavators AKJ00001-UP (MACHINE) POWERED BY 3176C Engine
345B Series II Excavators ALD00001-UP (MACHINE) POWERED BY 3176C Engine
322C & 322C L Excavators BKM00001-UP (MACHINE) POWERED BY 3126 Engine
322C & 322C LN EXCAVATORS BFK00001-UP (MACHINE) POWERED BY 3126 Engine
320C & 320C L Excavators BDC00001-UP (MACHINE) POWERED BY 3066 Engine
320C & 320C L Excavators BPR00001-UP (MACHINE) POWERED BY 3066 Engine
322C L Excavator BKJ00001-UP (MACHINE) POWERED BY 3126 Engine
325C L & 325C LN Excavator CRB00001-UP (MACHINE) POWERED BY 3126 Engine
330C L & 330C LN Excavators CAP00001-UP (MACHINE) POWERED BY C-9 Engine
385B & 385B L Excavators CLS00001-UP (MACHINE) POWERED BY 3456 Engine
5090B Excavator CLD00001-UP (MACHINE) POWERED BY 3456 Engine
330C & 330C L Excavators GKX00001-UP (MACHINE) POWERED BY C-9 Engine
325C & 325C L Excavators AMH00001-UP (MACHINE) POWERED BY 3126B Engine
385B & 385B L Excavators BKF00001-UP (MACHINE) POWERED BY 3456 Engine
320C Forest Swing Machine BGB00001-UP (MACHINE) POWERED BY 3066 Engine
M325B Material Handler BGN00001-UP (MACHINE) POWERED BY 3116 Engine
325C & 325C L Excavators BKW00001-UP (MACHINE) POWERED BY 3126B Engine
345B Series II Material Handler DET00001-UP (MACHINE) POWERED BY 3176C Engine
325C FOREST SWING MACHINES G1L00001-UP (MACHINE) POWERED BY 3126B Engine
320C S Hydraulic Excavator EGL00001-UP (MACHINE) POWERED BY 3066 Engine
345B Series II Excavator CCC00001-UP (MACHINE) POWERED BY 3176C Engine
385B Excavator ANS00001-UP (MACHINE) POWERED BY 3456 Engine
322C FOREST SWING MACHINES BPH00001-UP (MACHINE) POWERED BY 3126 Engine
345B Series II Excavator DCW00001-UP (MACHINE) POWERED BY 3176 Engine
365B L Material Handler CTY00001-UP (MACHINE) POWERED BY 3196 Engine
325C L Excavator BFE00001-UP (MACHINE) POWERED BY 3126B Engine
320C Excavators HBC00001-UP (MACHINE) POWERED BY 3066 Engine
330C & 330C L Excavators JAB00001-UP (MACHINE) POWERED BY C-9 Engine
330C L Excavator DKY00001-UP (MACHINE) POWERED BY C-9 Engine
330C L Excavator CYA00001-UP (MACHINE) POWERED BY C-9 Engine
330C Hydraulic Material Handler D3C00001-UP (MACHINE) POWERED BY C-9 Engine
330C Forest Swing Machines B4N00001-UP (MACHINE) POWERED BY C-9 Engine
330C Forest Swing Machines B1K00001-UP (MACHINE) POWERED BY C-9 Engine
365B Series II Excavator DER00001-UP (MACHINE) POWERED BY 3196 Engine
365B Series II Excavator CFJ00001-UP (MACHINE) POWERED BY 3196 Engine


Parts valve Caterpillar catalog:

1318901 VALVE-DUST
311B, 311C, 311D LRR, 312B, 312C L, 312D, 312D L, 312D2, 312D2 GC, 312D2 L, 313D, 313D2, 313D2 LGP, 314C, 314D CR, 314D LCR, 320C, 320C FM, 320C L, 320D FM RR, 320D LRR, 320D RR, 320E, 320E L, 320E LN...
0952489 VALVE
311, 311B, 311C, 312B, 312C, 312C L, 314C, 318C, 319C, 320 L, 320B, 320B FM LL, 320C, 320C FM, 320C L, 320D, 320D LRR, 321C, 323D L, 323D LN, E110, E110B, E120B, E200B, E450
1710031 VALVE GP-RELIEF
312C, 312C L, 315C, 318C, 319C, 320C, 320C FM, 320C L, 320D, 320D FM RR, 320D LN, 320D LRR, 320D RR, 321C, 321D LCR, 322C, 323D L, 323D LN, 324D, 325C, 325D, 325D L, 330C, 330C L, 330D, 330D L
2128477 VALVE
311C, 312C, 312C L, 314C, 318C, 319C, 320C, 320C FM, 320C L, 320D, 320D LRR, 321C, 323D L, 323D LN
5I7559 VALVE AS
318C, 319C, 320, 320 L, 320B, 320B FM LL, 320C, 320C FM, 320C L, 320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 320N, 321C, 321D LCR, 323D L, 323D LN, 323D SA
7Y4267 VALVE
315D L, 316E L, 318C, 318D L, 318E L, 319C, 319D, 319D L, 319D LN, 320 L, 320B, 320B L, 320C, 320C FM, 320C L, 320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 320D2, 320D2 GC, ...
2457837 VALVE AS-EXPANSION
307D, 311D LRR, 311F LRR, 312D, 312D L, 312D2, 312D2 GC, 312D2 L, 313D, 313D2, 313D2 LGP, 315D L, 318D L, 318D2 L, 319D, 319D L, 319D LN, 320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D LN, 320D LRR,...
2941684 VALVE-INLET
311D LRR, 312D, 312D L, 313D, 314D CR, 314D LCR, 315D L, 318D L, 319D, 319D L, 319D LN, 320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 321D LCR, 323D L, 323D LN, 323D SA
2941685 VALVE-EXHAUST
311D LRR, 312D, 312D L, 313D, 314D CR, 314D LCR, 315D L, 318D L, 319D, 319D L, 319D LN, 320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 321D LCR, 323D L, 323D LN, 323D SA
3109537 VALVE AS
311D LRR, 312D, 312D L, 313D, 314D CR, 314D LCR, 315D L, 318D L, 319D, 319D L, 319D LN, 320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 321D LCR, 323D L, 323D LN, 323D SA
5P7090 VALVE-BALL
227, 229D, 322C, 325B L, 518, 528, 528B, 530B, 561D, 589, 615, 615C, 621, 621B, 621R, 623E, 627B, 637E, 651E, 657E, 814, 814B, 815, 815B, 910, 931B, 943, 950, 953, 966C, 966D, 966R, 977K, 977L, 980B, ...
1W8620 VALVE AS-CHECK
120M 2, 12M 2, 140M 2, 160M 2, 330D, 589, 824H, 824K, 825K, 826H, 826K, 834G, 834H, 834K, 836H, 836K, 844K, 854K, 973C, 980H, 988H, 988K, 990K, 992K, 993K, D10N, D10R, D10T, D10T2, D6R II, D7R II, D7R...
1284411 VALVE AS
305.5, 306, 306E, 307B, 307C, 307D, 308C, 308D, 311, 311B, 311C, 311D LRR, 312B, 312B L, 312C, 312C L, 312D, 312D L, 313B, 314C, 314D CR, 314D LCR, 315, 315B, 315B L, 315C, 315D L, 317B LN, 318B, 318C...
2542690 VALVE GP-SOLENOID
M312, M313C, M315, M315C, M316C, M318, M318C, M318C MH, M320, M322C
1912708 VALVE AS-SHUTTLE
1090, 1190, 1190T, 1290T, 1390, 2290, 2390, 2391, 2491, 2590, 322B L, 322C, 322C FM, 324D FM, 324D FM LL, 325B L, 325C FM, 325D FM, 325D FM LL, 330B L, 330C FM, 330C L, 330D FM, 330D L, 511, 521, 521B...
1902759 VALVE GP-PRIORITY
M312, M315, M318, M320
1859064 VALVE AS
311B, 312B, 312B L, 315B L, 317B LN, 318B
1232598 VALVE AS
311B, 312B, 312B L, 315B L, 317B LN, 318B, 320B U
1232467 VALVE GP-PILOT
311B, 312B L, 315B L, 317B LN, 318B, 320B, 320B L, 322B L, 322B LN, 325B, 325B L, 330B L, 345B, 345B II, 345B II MH, 345B L, M325B, W330B, W345B II
1769096 VALVE GP-DIVERTER
312B L, 312C, 315B L, 315C, 317B LN, 318B, 318C, 319C
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