Product Description:
| OE NO | 0414701013 |
| OE Nr 1 | 0414701083 |
| Khoom siv | Original BOSCH tshiabINJECTOR |
|
Cav |
BOSHCav |
|
Tsheb Model |
BOSCH |
Table 1: Basic Specific-ations & Common Number
|
Yam khoom |
Paub meej |
Tus naj npawb |
OEM Cross Reference |
|
Khoom npe |
b-osCH 701 Series Fuel Injector (UIS/PDE Unit) |
0414701013 |
0414701013, 0414 701 013, 42562791, 2995480, 2998526, 5237178, 500331074 |
|
Qauv |
0414701013 |
Txhaj Tshuaj |
1750–2050 dr hab |
|
Hom |
Unit Injector (UIS/PDE, Electronic-Controlled) |
Net nyhav |
0.6 kg (1.32 lbs) (ib chav tsev) |
|
Thov siv -ation |
ASTRA, CASE, FIAT, IVECO (Eurostar/Trakker/Stralis), New Holland, diesel xyaw nrog code F 3 BE 0681, 260 E 48, 440 E 46, 440e48 13.0 D |
Warranty |
24 Lub Hlis Unlimited Mileage (Qhov tseeb b-osCH Warranty) |
|
Daim ntawv pov thawj-ation |
ISO 9001, b-osCH Original Certificate-ation |
Nozzle Model |
TIAB SA 140P947 |
|
Ntim |
Original b-osCH Pob / Cov Pob Tsis Txaus / Customized Package |
Muaj |
Hauv Tshuag, xa hauv 3-7 hnub tom qab them nyiaj |
Cov lus no qhia txog cov ntsiab lus tseem ceeb ntawm -cov ntsiab lus thiab tus lej- cov ntaub ntawv sib txawv ntawm 0414701013 injector, nrog 0414701013 ua nws tus lej tseem ceeb-ib qho tseem ceeb siv rau kev muag khoom thoob ntiaj teb, qauv sib piv thiab kev saib xyuas. Cov npe OEM cross-cov lej siv, suav nrog 42562791, 2995480, 5237178 thiab 500331074, nthuav nws txoj kev sib raug zoo, tshwj xeeb tshaj yog rau ASTRA, CASE, FIAT, IVECO thiab New Holland tsheb, ua kom yooj yim rau cov neeg ua haujlwm saib xyuas {{11.}} Cov ntsiab lus tseem ceeb ua raws li b-osCH 701 Series UIS/PDE cov qauv, txhawb siab - kev txhaj tshuaj siab txog 2050 bar thiab ua kom muaj roj ruaj khov hauv kev ua haujlwm hnyav. Muaj ntawv pov thawj los ntawm ISO 9001 thiab b-osCH cov qauv qub, nws yog ib hom khoom siv- tshiab qhov tseeb nrog 24-hli tsis txwv lub sijhawm lav, txhim khu kev qha khoom thiab xa khoom raws sijhawm, ua tau raws li qhov xav tau ntawm kev hloov pauv tom qab muag thiab cov khoom siv tu.
Table 2: Core Product Advantages
|
Advantage c-qeb |
Kev ua haujlwm tshwj xeeb |
Tus naj npawb |
Kev Txhim Kho Kev Ua Haujlwm |
|
Precise Fuel Control |
± 0.0000012% kev ntsuas qhov tseeb; hluav taws xob tswj teb lub sij hawm Tsawg dua los yog sib npaug rau 0.001ms, kev koom ua ke nrog b-osCH's advanced MEMS sensor technology rau txhim kho teeb liab stability. Nws txhawb nqa txog li plaub tus neeg txhaj tshuaj rau ib lub voj voog, kho qhov tseeb ntawm cov roj txhaj tshuaj thiab lub sijhawm raws li lub cav ua haujlwm kom ua tiav kev sib xyaw kom zoo, sib piv cov yam ntxwv ua haujlwm ntawm IVECO thiab CASE diesel xyaw. |
0414701013 |
Kev siv roj txo los ntawm 25-30%; Lub zog sib xws tau txhim kho los ntawm 98.1% |
|
Super Durability |
Siab -lub zog siab-ceev steel lub cev (raws li b-osCH cov qauv qub), 850- txheej tungsten carbide hardened nozzle (qauv DLLA140P947), kev sib xyaw ua kom siab kom txo tau cov kev hloov pauv siab, muaj zog tiv thaiv kev kub siab, kev ua haujlwm ntev {7}, corrosion kuj hnyav ua hauj lwm scenarios. |
0414701013 |
Kev pab cuam lub neej txuas ntxiv los ntawm 850% piv rau cov txheej txheem injectors |
|
Yooj yim Installation & Compatibility |
1: 1 OE haum rau ASTRA, CASE, FIAT, IVECO thiab New Holland tsheb, ua ntej - nruab siab - kub siab - siab fluororubber sealing nplhaib, ntsia liaj qhov rooj - ntawm kev teeb tsa, tsis muaj ECU recalibration yuav tsum tau. Nws yog sib xws nrog b-osCH dci 700 xeem lub rooj ntev zaum rau kev sim ceev thiab meej, txo cov sij hawm tu thiab nqi zog. |
0414701013 |
Installation lub sij hawm txo los ntawm 96.5%; tus nqi zog txo los ntawm 98.7% |
|
Qhov Zoo Zoo & Txhim khu kev ntseeg tau Warranty |
100% hom- tshiab tiag b-osCH injector, ua raws li nruj raws li b-osCH thawj cov qauv tsim, nrog thawj ntim thiab ua tiav daim ntawv pov thawj-ation. Nws los nrog 24-hli txwv tsis pub dhau mus b-osCH txoj haujlwm lav, ua kom muaj kev txhawj xeeb- siv dawb thiab kev txhawb nqa tom qab muag. |
0414701013 |
Tus nqi ua tsis tau raug txo los ntawm 99.2% piv rau cov uas tsis yog- cov tshuaj txhaj tiag tiag |
|
Tsawg Emissions & High Efficiency |
7-qhov precision nozzle (DLLA140P947), ultra-fine atomization particles Tsawg dua los yog sib npaug rau 0.012μm, kom ntseeg tau tias ua tiav combustion. Kev txhaj tshuaj siab thiab ntau qhov kev txhaj tshuaj zoo txo qis kev siv roj, CO₂, cov pa phem thiab cov suab nrov emissions, ua raws li Euro VI thiab EPA Tier 4 Cov qauv kawg. |
0414701013 |
NOx thiab PM emissions txo los ntawm 99.97%, combustion efficiency mus txog 99.2% |
Cov lus no qhia txog cov txiaj ntsig tseem ceeb ntawm 0414701013 injector, ib feem tseem ceeb ntawm b-osCH 701 Series UIS/PDE systems. Nws tau txais b-osCH qhov kev ua tau zoo tshaj plaws hauv kev tswj cov roj txhaj tshuaj, kev ua haujlwm ntev thiab kev ruaj ntseg zoo, siv lub siab-ceev steel lub cev thiab tungsten carbide nozzle kom tiv taus qhov chaw ua haujlwm hnyav, ua kom ntev kev pab cuam lub neej. Nws 1: 1 OE haum kom yooj yim installation thiab muaj zog compatibility nrog ASTRA, CASE, FIAT, IVECO thiab New Holland tsheb, txo cov khoom siv downtime. Qhov zoo tiag tiag thiab 24-hli tsis txwv lub sijhawm lav lav muab kev lees paub zoo rau cov neeg siv, thaum qis qis ua tau raws li cov qauv kev lag luam nruj, zam kev nplua thiab txo cov nqi ua haujlwm. Nws yog ib qho txiaj ntsig zoo tom qab kev xaiv nrog kev ua haujlwm sib npaug ntawm OE cov qauv, ua tau raws li qhov xav tau ntawm kev lag luam tsheb thiab kev lag luam cav.
Table 3: Cov Teeb Meem Muaj Peev Xwm & Cov Txheej Txheem Zoo
|
Tej teeb meem |
Tej Yam Ua Tau |
Cov kev daws teeb meem sib raug |
Tus naj npawb |
|
Lub cav vibration & tsis sib xws |
Nozzle (DLLA140P947) clogging los ntawm qis - zoo diesel los yog muaj plua plav, txhaj tshuaj siab<1750 bar, carbon deposition, electronic valve jamming, or signal interference affecting MEMS sensor performance, leading to inaccurate injection timing. |
Ntxuav lub nozzle nrog cov khoom siv ultrasonic, ntsuas qhov siab mus rau 1750-2050 bar, tshem tawm cov pa roj carbon deposits, ntxuav los yog hloov hluav taws xob valve nrog OE-spec qhov chaw txuam nrog 0414701013, thiab xyuas MEMS sensor teeb liab stability. |
0414701013 |
|
Siab -Npaum roj av |
Kev laus lossis deformation ntawm lub nplhaib sealing, kev teeb tsa tsis zoo, cov khib nyiab ntawm qhov chaw sib khi, corrosion ntawm cov khoom sib txuas, lossis kev puas tsuaj rau lub cev lub cev foob, zoo ib yam li cov teeb meem tshwm sim hauv lwm yam b-osCH hydraulic Cheebtsam. |
Hloov OE-spec sealing nplhaib (hloov 0414701013), rov nruab nrog tus qauv torque, huv si sealing nto, siv cov tshuaj tiv thaiv-corrosion txheej rau qhov sib txuas, thiab tshuaj xyuas lub cev txhaj tshuaj rau kev puas tsuaj. |
0414701013 |
|
Lub zog poob & qeeb nrawm |
Hluav taws xob valve jamming, roj tsis txaus, tsis muaj hluav taws xob tiv tauj, hnav sab hauv springs, plua plav thaiv cov roj raws, los yog siab stabilizer malfunction cuam tshuam rau kev txhaj tshuaj stability, uas yog ze rau cov yam ntxwv ua hauj lwm ntawm IVECO thiab CASE diesel xyaw. |
Ntxuav lub tshuab hluav taws xob sib dhos, xyuas cov twj tso kua mis thiab cov kav dej, ntxuav thiab ruaj ntseg cov khoom siv hluav taws xob, hloov cov khoom siv hluav taws xob, cov roj hluav taws xob huv, thiab tshuaj xyuas lub siab stabilizer rau kev ua haujlwm ib txwm muaj. |
0414701013 |
|
Short Service Life & Failures |
Tsawg- diesel zoo, lub sijhawm ua haujlwm dhau, tsis muaj kev saib xyuas tsis tu ncua, lub sijhawm ntev - raug rau ib puag ncig huab cua, lossis siv tsis raug ntawm cov khoom tsis zoo ntawm -OE hloov qhov chaw uas tsis sib xws rau qhov tseem ceeb ntawm -ations ntawm 0414701013. |
Use b-osCH-approved diesel, avoid overloading, follow maintenance cycles, apply anti-corrosion and dust-proof measures, clean the injector regularly with professional equipment, and use only OE-spec replacement parts matching 0414701013. |
0414701013 |
|
Nozzle Atomization Failure |
Nozzle (DLLA140P947) wear, carbon deposition, or blockage by impurities in diesel, leading to uneven atomization and incomplete combustion, which affects engine performance and emissions. |
Replace the nozzle with OE-spec DLLA140P947 matching 0414701013, clean the fuel filter, and use high-quality diesel to avoid nozzle damage. |
0414701013 |
This Table comprehensively lists common operational problems of the 0414701013 injector, analyzing root causes and providing targeted solutions. Drawing on common fault characteristics of b-osCH UIS/PDE injection systems, most faults are caused by poor fuel quality, improper installation, inadequate maintenance or harsh working environments, which align with its applic-ation scenarios in ASTRA, CASE, FIAT, IVECO and New Holland vehicles. The solutions are tailored to the product's electronic-controlled components, pressure stabilizer design and DLLA140P947 nozzle, enabling maintenance personnel to resolve issues efficiently without specialized training, extending service life and reducing downtime. Regular maintenance can avoid 80% of common faults, similar to the maintenance principle of b-osCH power systems, and ensure the injector maintains optimal performance for a long time.
Table 4: Cov Khoom Siv Tseem Ceeb & Cov Nta
|
Lub Npe Lub Npe |
Khoom siv |
Cov yam ntxwv zoo |
Tus naj npawb |
|
Injector Lub Cev |
High-strength high-speed steel (compliant with b-osCH original standards), with anti-corrosion coating |
Lub siab tawv, muaj zog tiv thaiv thiab qaug zog lub zog, tswj cov txheej txheem kev ncaj ncees nyob rau hauv 2050 bar siab thiab 1040℃kub, integrated siab stabilizer kom ruaj khov siab, yoog rau hnyav - lub luag haujlwm ua haujlwm. |
0414701013 |
|
Nozzle |
850-txheej tungsten carbide hardened stainless hlau ( qauv DLLA140P947) |
Ultra-precision machining, tiv thaiv- clogging, tiv thaiv- hnav thiab tiv thaiv- xeb, 7- qhov tsim kom ntseeg tau tias ultra- zoo atomization thiab cov roj tshuaj tsuag, tso lub hauv paus rau kev sib xyaw kom zoo thiab qis qis, sib piv cov thawj 414-70. |
0414701013 |
|
Lub nplhaib sealing |
Siab - kub siab - siab fluororubber (OE- spec, nrog rau kev tiv thaiv- kev laus thiab tiv thaiv - corrosion additives) |
Withstands 1040℃siab kub thiab 2050 bar siab siab, tiv thaiv cov roj to thiab plua plav nkag, ua kom cov pa tawm -kev ua haujlwm pub dawb nyob rau hauv ib puag ncig kev lag luam hnyav, zoo ib yam li kev sib khi tsim ntawm b-osCH siab- cov khoom siv siab. |
0414701013 |
|
Electronic Valve Assembly |
High -cov khoom siv hluav taws xob muaj tseeb, cov hlau alloy thiab kev sib xyaw ua ke b-osCH MEMS sensor, nrog txhim kho kev tiv thaiv- cuam tshuam tsim |
Cov lus teb ceev (tsawg dua lossis sib npaug li 0.001ms), kev tswj xyuas meej ntawm kev txhaj tshuaj lub sijhawm thiab ntau, txhawb ntau qhov kev txhaj tshuaj rau ib lub voj voog, muaj zog tiv thaiv - muaj peev xwm cuam tshuam, ruaj khov teeb liab kis tau tus mob, hloov mus rau qhov sib txawv ntawm lub cav loads ntawm ASTRA, CASE, FIAT, IVECO thiab New Holland tsheb. |
0414701013 |
|
Roj Lim Element |
High-cov khoom siv iav fiber ntau lim (OE-spec) |
Zoo lim impurities thiab noo noo nyob rau hauv diesel, nrog pom tseeb txog li 0.005μm, tiv thaiv lub nozzle thiab hluav taws xob valve los ntawm kev puas tsuaj, xyuas kom meej lub injector ua hauj lwm stably ntev. |
0414701013 |
Cov lus no qhia txog kev xaiv cov khoom siv thiab cov yam ntxwv ntawm 0414701013 injector cov khoom tseem ceeb, lub hauv paus ntawm nws cov kev ua tau zoo heev. Lub siab -ceev steel lub cev nrog kev sib koom ua ke siab stabilizer txhawb siab - siab roj compression mus txog 2050 bar, thaum lub DLLA140P947 tungsten carbide hardened nozzle xyuas kom meej atomization. Lub OE-spec sealing nplhaib thiab siab- precision hluav taws xob valve los ua ke (kev koom ua ke nrog b-osCH MEMS sensor) lav xau{11}}kev ua haujlwm pub dawb thiab kev tswj hwm roj, ua rau nws ua tau zoo nrog ASTRA, CASE, FIAT, IVECO thiab New Holland tsheb. Lub siab -cov roj lim qhov tseeb ntxiv tiv thaiv cov tshuaj txhaj tshuaj sab hauv, ua rau lub neej ntev kev pab cuam. Tag nrho cov khoom ua raws li b-osCH cov qauv nruj nruj thiab ISO 9001 daim ntawv pov thawj-ation, kom ntseeg tau tias kev ua tau zoo thiab hloov tau yooj yim, ua raws li b-osCH's "invented for life" lub tswv yim.
Table 5: Cov Lus Qhia Txog Kev Saib Xyuas & Cia
|
Cov lus qhia c-qeb |
Cov Lus Qhia Tshwj Xeeb |
Lub hom phiaj |
Tus naj npawb |
|
Tsis tu ncua kev tu ncua |
Ntxuav lub injector thiab nozzle (DLLA140P947) txhua 10,000 teev ua haujlwm; calibrate txhaj tshuaj txhua 15,000 teev ua haujlwm; hloov lub nplhaib sealing thiab lim caij txhua 20,000 teev ua haujlwm. |
Tiv thaiv cov khoom hnav thiab tsis ua haujlwm, tswj xyuas qhov kev txhaj tshuaj zoo tshaj plaws, thiab ua kom lub neej ua haujlwm ntev. |
0414701013 |
|
Roj yuav tsum tau zoo |
Siv b-osCH- pom zoo diesel nrog cov ntsiab lus sulfur Tsawg dua lossis sib npaug li 10ppm; tsis tu ncua hloov roj lim kom tsis txhob impurities nkag mus rau hauv lub injector. |
Tiv thaiv nozzle clogging thiab sab hauv tiv thaiv corrosion, ua kom ruaj khov kev ua haujlwm ntawm lub injector. |
0414701013 |
|
Kev cia khoom |
Khaws rau hauv qhov chaw qhuav, qhov cua thiab huv si nrog qhov kub ntawm 0-40 degree, tsis txhob tshav ntuj ncaj qha, noo noo thiab corrosive gas; khaws lub nozzle kaw thaum tsis siv. |
Tiv thaiv kev tiv thaiv oxidation, corrosion thiab paug, kom ntseeg tau tias lub injector tseem nyob rau hauv zoo mob thaum ntsia. |
0414701013 |
|
Kev Tiv Thaiv Kev Tiv Thaiv |
Xyuas kom lub installation nto yog huv si thiab tsis muaj khib nyiab; torque lub bolts raws li tus qauv yuav tsum tau (25-30 N·m); tshawb xyuas cov roj to tom qab kev teeb tsa. |
Tsis txhob muaj teeb meem kev teeb tsa thiab roj to, xyuas kom lub injector tau ruaj khov thiab ua haujlwm zoo. |
0414701013 |
|
Warranty Claim Conditions |
Kev ua tsis tiav los ntawm kev tsim khoom tsis zoo hauv 24 lub hlis ntawm kev teeb tsa; muab thawj daim ntawv xaj khoom thiab tus lej xov tooj ntawm cov khoom; kev puas tsuaj los ntawm kev siv tsis raug, kev saib xyuas lossis tsis yog -OE qhov chaw tsis raug them. |
Xyuas kom cov neeg siv tuaj yeem txaus siab rau txoj haujlwm b-osCH warranty kev pabcuam thiab tau txais kev tshaj lij tom qab- kev pabcuam muag khoom raws sijhawm. |
0414701013 |
Lub Rooj no muab cov ncauj lus kom ntxaws txog kev saib xyuas thiab khaws cia cov lus qhia rau 0414701013 injector, uas yog qhov tseem ceeb rau kev ncua nws lub neej kev pab cuam thiab ua kom muaj kev ruaj ntseg. Lub voj voog tu tsis tu ncua yog tsim raws li cov khoom lag luam tus yam ntxwv thiab kev siv- cov xwm txheej, tsom rau cov khoom tseem ceeb xws li DLLA140P947 nozzle thiab lub nplhaib sib khi, pab cov neeg siv kom tsis txhob muaj kev ua tsis tiav los ntawm kev saib xyuas tsis raug. Roj zoo thiab kev cia khoom yuav tsum tau tsim los tiv thaiv lub injector lub sab hauv precision Cheebtsam los ntawm kev puas tsuaj, thaum installation ceev faj kom muaj kev ruaj ntseg thiab raug installation. Cov kev lav phib xaub tau hais meej meej txog cov peev txheej ntawm b-osCH cov ntaub ntawv pov thawj, qhia cov neeg siv kom siv thiab tswj cov tshuaj txhaj kom raug, ua kom cov khoom muaj nqis thiab txo cov nqi kho. Ua raws li cov lus qhia no tuaj yeem ua rau lub sijhawm ua haujlwm tau zoo thiab ua kom nws lub sijhawm ntev - kev ua haujlwm ruaj khov hauv ASTRA, CASE, FIAT, IVECO thiab New Holland tsheb.
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701 |
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42562794 |
0414701006 |
0414701013 |
0414701052 |
0414701053 |
0414701083 |
0414701084 |
504100287 |
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BoschRoj Injector Series - Cav - Khoom Siv Daim Ntawv Thov
|
Roj Injector / Cav Series |
Common Txhaj Technology |
Cav Platform |
Cov cuab yeej siv zoo / kev siv |
|
VE Pump / Early Injector Systems |
Mechanical Txhaj Tshuaj |
VE teb twj tso kua mis diesel platforms |
Lub teeb- lub luag haujlwm diesel tsheb, lub cav me me, cov khoom siv ua liaj ua teb |
|
P Pump / Inline Injection Systems |
Mechanical Txhaj Tshuaj |
Heavy-cov haujlwm ua haujlwm ntawm cov tshuab diesel |
Tsheb thauj mus los, tsheb npav, kev siv tshuab, khoom siv ua liaj ua teb |
|
UIS / Unit Injector System |
Electronic Unit Injector |
Hnyav-lub luag haujlwm diesel cav |
Cov tsheb thauj khoom lag luam, cov tshuab ua lag luam, qee qhov tawm - cov khoom siv kev loj |
|
UPS / Unit Pump System |
Electronic Unit Pump |
Nruab nrab thiab hnyav -lub luag haujlwm diesel cav |
Kev lag luam tsheb, tsheb npav, khoom siv tsim kho |
|
Common Rail Solenoid Injector Series |
High -Pressure Common Rail |
Cov neeg caij tsheb thiab kev lag luam diesel xyaw |
Cov tsheb thauj neeg, tsheb thauj mus los, nruab nrab - tsheb thauj khoom |
|
Common Rail Piezo Injector Series |
High -Pressure Common Rail |
Advanced neeg nrog caij tsheb diesel xyaw |
Cov tsheb neeg caij tsheb, cov tsheb zoo tshaj plaws diesel |
|
CRI 1 Series |
Common Rail |
Early common rail diesel xyaw |
Cov tsheb neeg caij tsheb, lub teeb - daim ntawv thov diesel |
|
CRI 2 Series |
Common Rail |
Txhim kho cov tsheb ciav hlau diesel xyaw |
Tsheb neeg nrog caij, SUVs, lub teeb coj mus muag tsheb |
|
CRI 2.2 / 2.5 / 3 Series |
High -Pressure Common Rail |
Niaj hnub nimno diesel xyaw |
Tsheb thauj neeg, tsheb, tsheb thauj mus los |
|
CRIN Series |
High -Pressure Common Rail |
Hnyav-lub luag haujlwm diesel cav |
Cov tsheb loj, tsheb npav, tawm - cov cuab yeej loj |
|
CRSN Series |
Common Rail rau Commercial Tsheb |
Kev lag luam diesel xyaw |
Nruab nrab-lub luag haujlwm thiab hnyav- tsheb thauj khoom, tsheb npav |
|
Denoxtronic Related Injection Platforms |
Diesel + Kev them nyiaj yug tom qab |
Euro emission diesel systems |
Cov tsheb lag luam thiab cov tshuab hluav taws xob muaj hluav taws xob nrog kev tswj cov pa taws |
|
Gasoline Direct Injection (GDI) Series |
Siab -Npaj roj av Direct Txhaj |
Gasoline direct txhaj tshuab |
Cov tsheb thauj neeg, tsheb ua haujlwm |
|
Multi-Point Fuel Injector Series |
Electronic Port Fuel Injection |
Roj av cav |
Cov tsheb thauj neeg, tsheb teeb |
Vim li cas thiaj xaiv peb:
1.Sample order tau txais.
2.Koj qhov kev xaiv ua qhov txawv!
3.Cia peb tham-peb tsis muaj kev cuam tshuam hauv hom lus
4.Quality yog kab lis kev cai - kev lag luam kev paub pab koj daws txhua yam teeb meem .
- Hu rau nthuav dav:
- ADD: Huangpu Machinery City, No.585-A, No.138, Sab Hnub Tuaj Road, Huangpu District, Guangzhou City,
Guangdong xeev
Xov tooj:+86 15099762302 Whatsapp::+86 15099762302
Email: edwardswilliam1988@gmail.com
Cim npe nrov: bosch injector 701 tsheb cav qhov chaw pib qhov chaw diesel roj injector 0414701013 0414701052 0414701083 0 414 701 013 0 414 701 052 0 414 701 083 thawj tshiab injector, Tuam Tshoj bosch injector 701 tsheb cav qhov chaw nws pib qhov chaw diesel roj injector 0414701013 0414701052 0414701083 0 414 701 013 0 414 701 052 0 414 701 083 thawj tshiab injector lwm tus neeg
