10 Best Delphi Injection Pump 2026

⚡ Quick Verdict

📋 How We Evaluated

Products were evaluated for build quality claims, fuel delivery design, and installation friendliness. Value considered include included components, warranty presence, and part-number clarity. Amazon rating signals were unavailable here, so suitability relied on fitment specificity and documentation of OEM compatibility.

Pump Type	Delphi Lucas CAV DPA rotary-style for 4-cylinder diesel applications
Primary Fitment Group	Massey Ferguson tractors with Perkins 4.236 diesel engines
Key OEM Cross-References	3241F360, 3241F350, 3841F360 and listed MF part numbers
Calibration Note	Requires exact part number match or confirmed interchangeability

What We Found

Delphi Lucas CAV DPA Pump Fuel Injection Pump 3241F350 targets Massey Ferguson tractors with Perkins 4.236 diesel engines. It lists fitment across models like 175, 180, 255, 265, 275, 283, 390, and 398, plus several others tied to similar configurations.

The listing emphasizes OEM replacement alignment using cross-references including 3241F360, 3241F350, 3841F360, and multiple Massey Ferguson part numbers. It uses a Delphi Lucas CAV DPA rotary style design for four-cylinder diesel applications. Construction is described as durable and built with quality materials for reliable fuel delivery.

The standout detail is the fitment warning: similar CAV DPA pumps exist, but the part number must match or be interchangeable to preserve calibration.

Who It’s For

This suits Massey Ferguson owners running Perkins 4.236 diesel power. It works best when you can verify the original pump number. It is a good fix for worn or leaking pumps. Replacing these can restore throttle response and starting behavior. Proper documentation of OEM numbers reduces the risk of errors.

Compatible Pump System	Delphi DP210
Engine Compatibility	Caterpillar Perkins 1104C.44T
Part Numbers	2644H017, 9320A195G, 9320A190G, 9320A191G, 9320A193G, 9320A198G
Included Item	1X Fuel Injection Pump

What We Found

Solarhome DP210 Fuel Injection Pump 2644H017 9320A195G 9320A190G Compatible With Caterpillar Perkins focuses on DP210 compatibility for Caterpillar Perkins 1104C.44T engines. It lists a set of part numbers, including 2644H017, 9320A195G, 9320A190G, 9320A191G, 9320A193G, and 9320A198G.

The listing states compatibility with the Delphi DP210 and specifies an application model tied to the Perkins 1104C.44T engine. It packages as 1X Fuel Injection Pump with 9320A195G included in the description. The product does not include performance specs, but it emphasizes part-number coverage and direct replacement intent.

Build quality is not itemized, and no warranty duration appears in the provided details. Even without rating data, the multi-part-number mapping and explicit engine association help reduce mismatches.

Who It’s For

This suits equipment using the DP210 system on specific Perkins engines. It is best for jobs where you can cross-reference part numbers. You might use this to fix power loss or idling issues. The multiple part numbers help you find the right match. Always confirm your engine model before ordering.

Kit Type	Complete rebuild kit for Delphi Lucas CAV DPA pumps
Included Components	Gaskets, seals, O-rings, end plate, blade, liner, cover, piston sleeve, plunger
OEM-Compatible Replacements	7135-110, 7139-223, 7123-388, 7135-180, 7123-576M, 7123-576L
Pump Compatibility	Fits most diesel engines using DPA-type fuel injection pumps

What We Found

DPA Injection Pump Rebuild Kit for Delphi Lucas CAV Gasket Liner Plunger provides a complete rebuild set for Delphi Lucas CAV DPA pumps. The listing explicitly includes gaskets, seals, O-rings, and additional rebuild materials.

It also names key internal parts such as end plate, blade, liner, cover, piston sleeve, and plunger. OEM-compatible cross references appear as replacements like 7135-110, 7139-223, 7123-388, 7135-180, 7123-576M, and 7123-576L. This makes it easier to select the right kit when the original part numbers are known.

It claims durable aftermarket quality for reliable performance and long service life. It also notes the kit fits most diesel engines using DPA-type fuel injection pumps. However, no specific torque specs, tolerances, or material grades are listed, and no performance metrics are provided.

Overall, the kit’s completeness and component naming are the standout features.

Who It’s For

This rebuild kit fits technicians and owners rebuilding Delphi Lucas CAV DPA pumps who want a comprehensive gasket and internal component set. It suits shops that already handle pump disassembly, measurement, and reassembly. Typical use cases include restoring worn plunger or liner performance, correcting leakage, and returning proper delivery behavior.

Buyers should match the original OEM replacement number to one of the listed references for best results. The kit’s component list supports jobs where missing seals or liners cause persistent leaks. Since warranty and rating data are absent, careful rebuild procedures matter for long-term outcomes.

Part Name	Direct Injection High Pressure Fuel Pump
Part Number	HM10049
Pressure Range Claim	2,000 to 2,800 PSI
Quantity	1 Pack

What We Found

Delphi HM10049 Direct Injection High Pressure Fuel Pump delivers high fuel pressure claimed between 2,000 and 2,800 PSI. It describes mechanical drive and quick rail pressure build-up for fast start times.

Because it is direct injection high pressure hardware, the design aims to deliver fuel directly into the combustion chamber for improved horsepower and fuel economy. The listing states it meets OE specifications, which supports expectations for fit and performance alignment.

A key buyer note warns that Delphi products purchased through, from, or on Amazon do not qualify for Delphi’s standard limited warranty, and warranty responsibility shifts to the identified seller. That creates an important commercial risk difference compared with standard manufacturer coverage.

The listing also specifies the quantity as 1 Pack. Build quality is not further broken down beyond OE compliance, and no flow testing or compatibility applications are provided beyond the model designation HM10049.

Who It’s For

This pump targets vehicles or engines that use the Delphi HM10049 direct injection high pressure pump architecture. It fits best for buyers who already confirmed compatibility with their vehicle’s system, because the listing includes strong pressure claims but limited application detail.

Mechanics often consider this for hard starts, slow pressure build-up, or performance losses linked to rail pressure issues. The main caution concerns warranty qualification, because seller-based warranty replaces Delphi’s limited warranty expectations. Buyers should check the seller warranty terms before installing, especially for expensive high pressure components.

With no rating data, verifying cross-compatibility becomes crucial.

Part Numbers	28309815, 28526390, 400912-00136, 7516851, 7256789
Target Engine	Delphi Doosan D34
Equipment Compatibility	Bobcat S-series and T-series skid steers listed
Replacement Claim	Accurate dimensions tested in factory

What We Found

ZTUOAUMA Fuel Injection Pump 28526390 7256789 7516851 400912-00136 aims at Delphi Doosan D34 engine applications. It lists a group of compatible part numbers including 28309815, 28526390, 400912-00136, 7516851, and 7256789.

The listing connects those numbers to engine and equipment models, including Delphi Doosan D34-compatible usage for Bobcat skid steers such as S740, S750, S770, S850, plus T740, T750, T770, and T870. It also extends fitment to Doosan forklifts like D35S through D90S.

It claims direct replacement with accurate dimensions tested at the factory to support long service life. The product does not specify the exact pump variant beyond the Delphi Doosan D34 application, but it emphasizes dimension correctness. Performance measures are not included, and build materials are not itemized.

Who It’s For

This pump fits best for operators servicing skid steers and material-handling units using a Delphi Doosan D34 engine configuration. It suits buyers who can confirm the existing pump part number against the provided list.

Common scenarios include replacing a failed pump to restore consistent fuel delivery and reduce drivability issues under load. The broad machine coverage can simplify sourcing for fleets with shared engine platforms. Because no warranty details or rating data appear in the provided information, verification and local support matter.

Dimension and replacement claims help, but technical documentation stays limited.

Compatibility	CAV DPA pumps, DPA 2, 3, 4, or 6 cylinder
Replacement MPNs	7123-888 and 7135-110
Common Symptoms Addressed	Transfer pump wear, fuel/vacuum leaks, hard starting
Target Hardware Family	DELPHI tractor CAV OEM Lucas

What We Found

PARTSDEPOT Overhaul Diesel Injection Pump Rebuild Kit targets CAV DPA pumps, described as compatible with DELPHI tractor CAV OEM Lucas. It lists replacement MPNs 7123-888 and 7135-110, and it claims compatibility with machines using DPA 2, 3, 4, or 6 cylinder pump setups.

The kit targets a wide list of brands and applications, including many Massey Ferguson, Perkins, John Deere, Case, and Caterpillar platforms, based on DPA pump usage. It focuses on symptom-based replacement, pointing to power loss, stalling at idle, slow throttle response, and extended cranking or no-start conditions.

It also addresses transfer pump wear and fuel or vacuum leaks, explaining why rebuilt transfer pressure matters. The included content is not enumerated in detail, but it is framed as a rebuild kit suitable for overhaul work. For rebuild buyers, its breadth and symptom guidance stand out.

Who It’s For

This kit suits owners and shops rebuilding CAV DPA injection pumps when the pump symptoms match transfer pump wear or fuel leak behavior. It fits best when the existing pump is confirmed as DPA 2, 3, 4, or 6 cylinder and the original MPN aligns with 7123-888 or 7135-110 replacements.

Typical scenarios include slow throttle response and hard starting, especially when the engine fails to build vacuum or pressure correctly. It also suits fleet and workshop settings because the compatibility list spans many brands using similar DPA architectures.

Without a warranty statement or rating data here, buyers should rely on pump disassembly knowledge and careful matching during rebuild.

Part Numbers	9320A522T, 2644H013XR, 01810BDG
Engine Compatibility	Perkins 1104-44TAG
Included Item	1* Fuel Injector Pump
Warranty	1 Year

What We Found

SPAKYGIE Fuel Injection Pump 9320A522T 2644H013XR for Delphi Perkins targets Perkins 1104-44TAG engines. The listing provides specific part numbers, including 9320A522T, 2644H013XR, and 01810BDG, which helps reduce guesswork. It states compatibility with the Perkins 1104-44TAG engine and includes the complete pump in the box, indicated as 1* Fuel Injector Pump.

Warranty coverage appears as a 1 Year term, which adds a practical safety net compared with listings that omit warranty details. The product information remains focused on identification and application, not on rebuild components.

Build quality is implied but not itemized, and performance metrics like flow rates or pressure are not provided. Overall, the key differentiator is the concise set of part numbers paired with a clear Perkins engine family target.

Who It’s For

This pump suits owners maintaining equipment that uses the Perkins 1104-44TAG engine and requires a Delphi-linked fuel injection pump replacement. It fits best for service jobs where the engine family is known, and the original pump part number can be confirmed against the listed set.

Typical use cases include restoring starting behavior, correcting low power, and addressing fuel delivery issues on industrial or agricultural engines. The 1 Year warranty improves confidence for buyers comparing multiple aftermarket options. Lack of rating and Prime information means buyers should prioritize part-number verification before purchase.

Part Numbers	8923A051G, 8923A053G
Engine Compatibility	Delphi DP200, DP210; Perkins T4.401 LP18
Equipment Compatibility	Caterpillar CAT 420D, 432D, 908 backhoe loaders listed
Installation Claim	Standardized interface design, no modification

What We Found

8923A051G 8923A053G Fuel Injection Pump targets Delphi DP200 DP210 engines and also lists Perkins T4.401 LP18 plus Caterpillar backhoe models CAT 420D, 432D, and 908. It provides two part numbers, 8923A051G and 8923A053G, which simplifies identification when the original unit is known.

The listing describes easy installation using a standardized interface design with no additional modification. It states the product underwent strict quality testing and includes after-sales service, aiming for reliable replacement behavior. The information focuses on compatibility and install convenience rather than internal pump design.

Build quality is described as trustworthy, but materials, tolerances, and performance output are not specified. The strong selling point is the broad but explicit machine compatibility set coupled with an installation claim intended for direct swap jobs.

Who It’s For

This pump fits mechanics replacing injection units on DP200 and DP210-equipped equipment, including Perkins T4.401 LP18 and select Caterpillar backhoe loaders. It suits buyers who know whether their system uses DP200 or DP210 and who can match the correct 8923A05xG part number.

Typical use cases include restoring power and consistent fueling after pump failure or degraded delivery. The easy installation claim helps technicians who want a straightforward replacement without redesign work. Limited technical and warranty specificity, plus missing rating data, mean buyers should plan careful cross-checking of the original pump codes.

Package Includes	1* Overhaul Rebuild Kit 7123388
Compatibility References	7139223, 7123-388, 7135-180, 7139-223
Pump Compatibility	CAV Lucas DPA 2, 3, 4, or 6 cylinder pumps
Application Focus	Delphi MF Ford DPA roto injection pumps

What We Found

Overhaul Rebuild Kit 7139-223 7135180 7123388 Compatible With CAV Lucas DPA Roto Injection Pump Delphi MF Ford focuses on DPA rotor-style pump rebuilds. It lists part numbers 7139223, 7123-388, 7135-180, and 7139-223 as compatibility references. The package includes 1* Overhaul Rebuild Kit 7123388, simplifying order expectations for rebuilders.

It explicitly states compatibility with any DPA 2, 3, 4, 6 cylinder pump, which can broaden usefulness across equipment types that share DPA architecture. It also includes an after-sales promise: contact support if dissatisfied.

The listing does not itemize seals, liners, or plungers, though it frames itself as an overhaul kit. That omission makes it harder to gauge completeness compared with kits that enumerate included parts. Performance outcomes depend on correct rebuild practices and whether additional wear items require separate replacement.

Who It’s For

This kit suits owners and technicians rebuilding CAV Lucas DPA roto injection pumps used on Delphi MF and Ford equipment. It fits best when existing pump numbers match the listed references, especially 7123-388 and the related 7135 or 7139 codes.

Typical scenarios include restoring fuel delivery after internal wear or addressing leakage problems. The broad DPA 2-6 cylinder compatibility supports multi-equipment workshops. The value proposition centers on a straightforward overhaul package and customer support promise, but completeness verification remains important.

With no rating and no warranty duration provided, buyers should plan thorough inspection during rebuild.

Kit Focus	Injector pump gasket and seal repair kit
Reference Part	CAV7135110
Pump Configuration	DPA 3-4-6 cylinder
Application Compatibility	Ford and Massey Ferguson tractor families listed; John Deere and other brands using CAV DPA

What We Found

DPA CAV Injector Pump Repair Kit Gasket Seal for Ford Massey Ferguson 3000 4000 7600 John Deere Lucas Delphi Pump targets DPA 3-4-6 cylinder pump setups. It highlights the specific seal kit reference as CAV7135110.

The listing frames compatibility for long tractor platforms across Allis Chalmers, Case IH, David Brown, Ford, John Deere, and Massey Ferguson models that use CAV DPA pumps. It provides an application range from Ford Massey Ferguson CAV DPA Injector Pump Repair Kit 2000 through 7000.

The kit claim emphasizes it will fit any machine with a DPA pump fitted on the engine. However, it primarily focuses on gasket and seal repair rather than a full overhaul with internal components like liners or plungers. Build quality details, material specifications, and included component list remain brief.

This makes the kit best for leak and sealing repairs within a functioning pump assembly.

Who It’s For

This repair kit fits owners repairing leaks or gasket failures on tractors and engines using CAV DPA pumps with 3, 4, or 6 cylinder configurations. It suits routine maintenance where the pump body and internal wear parts remain serviceable.

Common scenarios include fuel seepage, vacuum-related issues, or symptoms linked to sealing degradation rather than catastrophic internal failure. Compatibility breadth across Ford, John Deere, and Massey Ferguson helps hobbyists and small shops cover multiple tractors with one sourcing plan.

Because the listing focuses on seals and does not describe internal components, it is not ideal for plunger or liner wear rebuilds. With no rating or warranty details shown, buyers should match CAV7135110 carefully.

What to Look For Before Buying

Choosing a Delphi injection pump requires matching the exact pump family. Similar CAV DPA units often have different calibration needs. For DP210 pumps, confirm your engine model first. For rebuild kits, check the cylinder configuration and included parts. Finally, always check who provides the warranty.

Check Confirm the exact Delphi pump family and part number

Look up your original pump’s OEM number first. Verify if you need a CAV DPA or a DP210. Match the listing’s cross-references to your old part. Do not rely only on the engine brand name. If you are unsure, ask the seller for confirmation.

Value Compare full replacement versus rebuild completeness

Replacement pumps are better for heavily worn units. Rebuild kits can save money, but they must cover the actual problem. I would prefer kits that include liners and plungers. Check the cylinder count and pump architecture carefully. Missing parts will lead to more downtime.

Rating Use rating and warranty signals to gauge risk

Look for sellers with good feedback on fitment. If ratings are missing, the warranty is very important. For high-pressure pumps, find out who handles the warranty. Read the fine print about manufacturer coverage. Favor sellers who clearly state their coverage terms.

Verify Validate fitment details for install-ready compatibility

Check specific engine models like the Perkins 1104C.44T. Verify compatibility for Bobcat or Caterpillar equipment. Look for claims of a standardized interface. If a listing mentions calibration, a mismatch can cause issues. Always document your serial numbers for support.

Frequently Asked Questions

How can a Delphi CAV DPA injection pump listing still be wrong?

Many DPA pumps look identical, but they have different calibrations. Even with the same engine, the part number variant matters. You should always confirm the original pump’s specific code. Do not assume an engine match is enough.

Should a rebuild kit include liners and plungers or only seals?

Seal-only kits work for simple leaks. If you have power loss or hard starting, you likely need internal parts. Kits with liners and plungers are better for full overhauls. Choose based on what your pump actually needs.

What is the biggest risk when buying high-pressure Delphi pumps?

The main risks are incorrect fitment and warranty issues. These pumps have very narrow compatibility windows. Also, the seller might be responsible for the warranty instead of the manufacturer. Check these details before you install the part.

Do installation-friendly claims like “no modification” guarantee correct fitment?

It means the pump should bolt on easily. However, it does not guarantee the internal calibration is correct. A mismatched part can still cause driving problems. Always verify the OEM part number first.

How should compatibility be verified if ratings and Prime are not available?

Compare the listed part numbers to your old pump’s tag. Confirm the cylinder count and pump family. Check your engine and equipment models carefully. You can also ask the seller for direct confirmation.

🎯 Final Verdict

The Delphi Lucas CAV DPA Pump 3241F350 is my top pick. It provides excellent guidance for Massey Ferguson and Perkins users. This reduces the risk of buying a lookalike pump. The Solarhome DP210 is a great runner-up for 1104C.44T engines. Match your part numbers before you buy.