diff --git a/kafka/producer/sender.py b/kafka/producer/sender.py
index f1484b0ce..4f6909d94 100644
--- a/kafka/producer/sender.py
+++ b/kafka/producer/sender.py
@@ -9,8 +9,7 @@
 from kafka.metrics.measurable import AnonMeasurable
 from kafka.metrics.stats import Avg, Max, Rate
 from kafka.producer.transaction_manager import ProducerIdAndEpoch
-from kafka.protocol.init_producer_id import InitProducerIdRequest
-from kafka.protocol.produce import ProduceRequest
+from kafka.protocol.new.producer import InitProducerIdRequest, ProduceRequest
 from kafka.structs import TopicPartition
 from kafka.version import __version__
 
diff --git a/kafka/producer/transaction_manager.py b/kafka/producer/transaction_manager.py
index 6ebf748e9..dd20cd9b4 100644
--- a/kafka/producer/transaction_manager.py
+++ b/kafka/producer/transaction_manager.py
@@ -6,12 +6,11 @@
 import threading
 
 import kafka.errors as Errors
-from kafka.protocol.add_offsets_to_txn import AddOffsetsToTxnRequest
-from kafka.protocol.add_partitions_to_txn import AddPartitionsToTxnRequest
-from kafka.protocol.end_txn import EndTxnRequest
-from kafka.protocol.find_coordinator import FindCoordinatorRequest
-from kafka.protocol.init_producer_id import InitProducerIdRequest
-from kafka.protocol.txn_offset_commit import TxnOffsetCommitRequest
+from kafka.protocol.new.metadata import FindCoordinatorRequest
+from kafka.protocol.new.producer import (
+    AddOffsetsToTxnRequest, AddPartitionsToTxnRequest,
+    EndTxnRequest, InitProducerIdRequest, TxnOffsetCommitRequest,
+)
 from kafka.structs import TopicPartition
 
 
@@ -756,8 +755,8 @@ def __init__(self, transaction_manager, coord_type, coord_key):
         else:
             raise ValueError("Unrecognized coordinator type: %s" % (coord_type,))
         self.request = FindCoordinatorRequest[version](
-            coordinator_key=coord_key,
-            coordinator_type=coord_type_int8,
+            key=coord_key,
+            key_type=coord_type_int8,
         )
 
     @property
@@ -942,7 +941,7 @@ def handle_response(self, response):
                 log.debug("Successfully added offsets for %s from consumer group %s to transaction.",
                           tp, self.consumer_group_id)
                 del self.transaction_manager._pending_txn_offset_commits[tp]
-            elif error in (errors.CoordinatorNotAvailableError, Errors.NotCoordinatorError, Errors.RequestTimedOutError):
+            elif error in (Errors.CoordinatorNotAvailableError, Errors.NotCoordinatorError, Errors.RequestTimedOutError):
                 retriable_failure = True
                 lookup_coordinator = True
             elif error is Errors.UnknownTopicOrPartitionError:
diff --git a/test/integration/test_producer_integration.py b/test/integration/test_producer_integration.py
index c7e6ad4c9..94b3668ff 100644
--- a/test/integration/test_producer_integration.py
+++ b/test/integration/test_producer_integration.py
@@ -194,6 +194,7 @@ def test_transactional_producer_offsets(kafka_broker):
     with producer_factory(bootstrap_servers=connect_str, transactional_id='testing') as producer:
         producer.init_transactions()
         producer.begin_transaction()
+        producer.send('transactional_test_topic', partition=0, value=b'msg1').get()
         producer.send_offsets_to_transaction(offsets, 'txn-test-group')
         producer.commit_transaction()
 
diff --git a/test/test_sender.py b/test/test_sender.py
index 08012adb3..a7c0020ae 100644
--- a/test/test_sender.py
+++ b/test/test_sender.py
@@ -13,7 +13,7 @@
 import kafka.errors as Errors
 from kafka.protocol.broker_api_versions import BROKER_API_VERSIONS
 from kafka.producer.kafka import KafkaProducer
-from kafka.protocol.produce import ProduceRequest
+from kafka.protocol.new.producer import ProduceRequest
 from kafka.producer.future import FutureRecordMetadata
 from kafka.producer.producer_batch import ProducerBatch
 from kafka.producer.record_accumulator import RecordAccumulator
@@ -64,7 +64,8 @@ def test_produce_request(sender, api_version, produce_version):
     magic = KafkaProducer.max_usable_produce_magic(api_version)
     batch = producer_batch(magic=magic)
     produce_request = sender._produce_request(0, 0, 0, [batch])
-    assert isinstance(produce_request, ProduceRequest[produce_version])
+    assert isinstance(produce_request, ProduceRequest)
+    assert produce_request.version == produce_version
 
 
 @pytest.mark.parametrize(("api_version", "produce_version"), [
@@ -81,7 +82,8 @@ def test_create_produce_requests(sender, api_version, produce_version):
     produce_requests_by_node = sender._create_produce_requests(batches_by_node)
     assert len(produce_requests_by_node) == 3
     for node in range(3):
-        assert isinstance(produce_requests_by_node[node], ProduceRequest[produce_version])
+        assert isinstance(produce_requests_by_node[node], ProduceRequest)
+        assert produce_requests_by_node[node].version == produce_version
 
 
 def test_complete_batch_success(sender):